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Greenwich Meridian
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Astronomer Royal
Astronomer Royal is a senior post in the Royal Household of the Sovereign of the United Kingdom. There are two officers, the senior being the Astronomer Royal dating from 22 June 1675; the second is the Astronomer Royal for Scotland dating from 1834.
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Atlas Cosmographicae
http://wn.com/Atlas_Cosmographicae -
George Biddell Airy
Sir George Biddell Airy PRS (27 July 1801 – 2 January 1892) was an English mathematician and astronomer, Astronomer Royal from 1835 to 1881. His many achievements include work on planetary orbits, measuring the mean density of the Earth, a method of solution of two-dimensional problems in solid mechanics and, in his role as Astronomer Royal, establishing Greenwich at the location of the prime meridian. His reputation has been tarnished by allegations that, through his inaction, Britain lost the opportunity of priority in the discovery of Neptune.
http://wn.com/George_Biddell_Airy -
Maimonides
Moses Maimonides, also known as Rambam, was the preeminent medieval Jewish philosopher and one of the greatest Torah scholars of the Middle Ages. He was born in Córdoba, Spain on Passover Eve, 1135, and died in Egypt on 20th Tevet, December 12, 1204. He was as a rabbi, physician and philosopher in Morocco and Egypt.
http://wn.com/Maimonides -
Ptolemy
Claudius Ptolemaeus (Greek: Klaúdios Ptolemaîos; c. AD 90 – c. 168), known in English as Ptolemy (), was a Roman citizen of Egypt who wrote in Greek. He was a mathematician, astronomer, geographer, astrologer and a poet of a single epigram in the Greek Anthology. He lived in Egypt under Roman rule, and is believed to have been born in the town of Ptolemais Hermiou in the Thebaid. He died in Alexandria around AD 168.
http://wn.com/Ptolemy
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Alexandria
Alexandria (Arabic: al-Iskandariyya; Coptic: ; ; ; Egyptian Arabic: اسكندريه ), with a population of 4.1 million, is the second-largest city in Egypt, and is the country's largest seaport, serving approximately 80% of Egypt's imports and exports. Alexandria is also an important tourist resort. Alexandria extends about along the coast of the Mediterranean Sea in north-central Egypt. It is home to the Bibliotheca Alexandrina (the new Library). It is an important industrial centre because of its natural gas and oil pipelines from Suez, another city in Egypt.
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Antarctica
Antarctica
http://wn.com/Antarctica -
Arctic Ocean
The Arctic Ocean, located in the Northern Hemisphere and mostly in the Arctic north polar region, is the smallest, and shallowest of the world's five major oceanic divisions. The International Hydrographic Organization (IHO) recognizes it as an ocean, although some oceanographers call it the Arctic Mediterranean Sea or simply the Arctic Sea, classifying it as one of the mediterranean seas of the Atlantic Ocean. Alternatively, the Arctic Ocean can be seen as the northernmost lobe of the all-encompassing World Ocean.
http://wn.com/Arctic_Ocean -
Brussels
Brussels (, pronounced ; , pronounced ), officially the Brussels Region or Brussels-Capital Region (, Dutch: ), is the de facto capital city of the European Union (EU) and the largest urban area in Belgium. It comprises 19 municipalities, including the City of Brussels proper, which is the constitutional capital of Belgium, the seat of the French Community of Belgium and of the Flemish Community.
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Copenhagen
Copenhagen (, , , or ; or ) is the capital and largest city of Denmark, with an urban population of 1,181,239 (2010) and a metropolitan population of 1,894,521 (2010). Copenhagen is situated on the islands of Zealand and Amager. With around 2.7 million inhabitants within a 50 km radius, Copenhagen is one of the most densely populated areas in Northern Europe.
http://wn.com/Copenhagen -
East Sussex
East Sussex () is a county in South East England. It is bordered by the counties of Kent, Surrey and West Sussex, and to the south by the English Channel.
http://wn.com/East_Sussex -
English Channel
The English Channel (, the "sleeve") is an arm of the Atlantic Ocean that separates Great Britain from northern France, and joins the North Sea to the Atlantic. It is about long and varies in width from at its widest, to only in the Strait of Dover. It is the smallest of the shallow seas around the continental shelf of Europe, covering an area of some .
http://wn.com/English_Channel -
Greenland Sea
The Greenland Sea is the northernmost part of the North Atlantic Ocean immediately south of the Arctic Ocean. It borders Greenland to the west, Svalbard archipelago to the east, the Arctic Ocean to the north, and the Norwegian Sea and Iceland to the south.
http://wn.com/Greenland_Sea -
Greenwich
Greenwich ( -itch, -idge by incomers and Americans, or -idge by locals) is a district of South East London, England, located in the London Borough of Greenwich.
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Italy
Italy (; ), officially the Italian Republic (), is a country located in south-central Europe. To the north it borders France, Switzerland, Austria and Slovenia along the Alps. To the south it consists of the entirety of the Italian Peninsula, Sicily, Sardinia — the two largest islands in the Mediterranean Sea — and many other smaller islands. The independent states of San Marino and the Vatican City are enclaves within Italy, whilst Campione d'Italia is an Italian exclave in Switzerland. The territory of Italy covers some and is influenced by a temperate seasonal climate. With 60.4 million inhabitants, it is the sixth most populous country in Europe, and the twenty-third most populous in the world.
http://wn.com/Italy -
Jerusalem
Jerusalem ( , ; Arabic: , al-Quds Sharif, "The Holy Sanctuary") is the capital of Israel, though not internationally recognized as such. If the area and population of East Jerusalem is included, it is Israel's largest city in both population and area, with a population of 763,800 residents over an area of . Located in the Judean Mountains, between the Mediterranean Sea and the northern edge of the Dead Sea, modern Jerusalem has grown far beyond the boundaries of the Old City.
http://wn.com/Jerusalem -
Kyoto
() is a city in the central part of the island of Honshū, Japan. It has a population close to 1.5 million. Formerly the imperial capital of Japan, it is now the capital of Kyoto Prefecture, as well as a major part of the Osaka-Kobe-Kyoto metropolitan area.
http://wn.com/Kyoto -
London
London () is the capital of England and the United Kingdom, the largest metropolitan area in the United Kingdom and the largest urban zone in the European Union by most measures. London has been a major settlement for two millennia, its history going back to its founding by the Romans, who called it Londinium. London's core, the ancient City of London, largely retains its square-mile mediaeval boundaries. Since at least the 19th century, the name London has also referred to the metropolis developed around this core. The bulk of this conurbation forms the London region and the Greater London administrative area, governed by the elected Mayor of London and the London Assembly.
http://wn.com/London -
Madrid
Madrid (Spanish , English ) is the capital and largest city of Spain. The population of the city is roughly 3.3 million (as of December 2009); the entire population of the metropolitan area (urban area and suburbs) is calculated to be nearly 6 million. It is the third-most populous municipality in the European Union after London and Berlin, and its metropolitan area is the third-most populous in the European Union after Paris and London. The city spans a total of 698 km² (234 sq mi).
http://wn.com/Madrid -
Mecca
Mecca (), also spelled Makkah (occasionally 'Bakkah') (; Makkah and in full: transliterated Makkah Al Mukarramah ) is a city in Saudi Arabia, and the holiest meeting site in Islam, closely followed by Medina.
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Monte Mario
Monte Mario is the highest (139 m) hill of Rome, central Italy. It lies in the NW side of the city.
http://wn.com/Monte_Mario -
North Pole
The North Pole, also known as the Geographic North Pole or Terrestrial North Pole, is, subject to the caveats explained below, defined as the point in the northern hemisphere where the Earth's axis of rotation meets the Earth's surface. It should not be confused with the North Magnetic Pole.
http://wn.com/North_Pole -
Norwegian Sea
{| class="wikitable" style="float:right; margin-left: 1em; margin-right: 0em"
http://wn.com/Norwegian_Sea -
Oradea
Oradea (; , Hungarian pronunciation: , colloquially also , former , , ) is the capital city of Bihor County, in Crişana, Transylvania, Romania. The city proper has a population of 204,477 census; Oradea metropolitan area, which includes the whole urban area, has a population of 245,832.
http://wn.com/Oradea -
Ordnance Survey
Ordnance Survey is an executive agency and non-ministerial department of the United Kingdom government. It is the national mapping agency for Great Britain, and one of the world's largest producers of maps. The name reflects the original military purpose of the organisation (see ordnance and surveying) in mapping Britain during the Napoleonic Wars when there was a threat of invasion from France, and its logo includes the War Department's broad arrow heraldic mark. Ordnance Survey mapping is usually classified as 'large scale' (i.e. showing more detail) or 'small scale'. Large-scale mapping comprises maps at six inches to the mile or more (1:10,560, superseded by 1:10,000 in the 1950s); it was available in sheet-map form till the 1980s, since when it has become digital. Small-scale mapping comprises maps at fewer than six inches to the mile and includes the "leisure maps", such as the popular one inch to the mile and its metric successors, still available in traditional sheet-map form. Ordnance Survey of Great Britain maps are in copyright for 50 years after publication date. Some of the Copyright Libraries hold complete or near-complete collections of pre-digital O.S. mapping.
http://wn.com/Ordnance_Survey -
Oslo
Oslo ( or ) is the capital and largest city in Norway. Founded around 1048 by King Harald III "Hardrada" of Norway, the city was largely destroyed by a fire in 1624. The Danish–Norwegian king Christian IV rebuilt the city as Christiania (briefly also spelt Kristiania). In 1925 the city reclaimed its original Norwegian name, Oslo. The diocese of Oslo is one of the five original dioceses in Norway, which originated around the year 1070.
http://wn.com/Oslo -
Paris Meridian
The Paris Meridian is a meridian line running through the Paris Observatory in Paris, France—now longitude 2°20′14.025″ east. It was a long-standing rival to Greenwich as the prime meridian of the world, as was the Meridian of Antwerp in Antwerp, Belgium.
http://wn.com/Paris_Meridian -
Peacehaven
Peacehaven (formerly known as New Anzac-on-Sea) is a town and civil parish in the Lewes district of East Sussex, England. It is located above the chalk cliffs of the South Downs approximately six miles (9.7 km) east of Brighton city centre, on the A259 road. Its site coincides with the point where the Greenwich meridian crosses the English south coast.
http://wn.com/Peacehaven -
Pisa
Pisa (; ) is a city in Tuscany, Central Italy, on the right bank of the mouth of the River Arno on the Ligurian Sea. It is the capital city of the Province of Pisa. Although Pisa is known worldwide for its Leaning Tower (the bell tower of the city's cathedral), the city of over 87,500 residents contains more than 20 other historic churches, several palaces and various bridges across the River Arno. The city is also home of the University of Pisa, which has a history going back to the 12th century.
http://wn.com/Pisa -
Queen Maud Land
Queen Maud Land () is a 2.5 million-square-kilometer (one million sq mi), sector of Antarctica claimed as a dependent territory by Norway. The land lays between 20° west, bordering the British Antarctic Territory, and 44°38' east, bordering the Australian Antarctic Territory. The northern and southern borders are not officially defined, although it is presumed to span from the South Pole to 60° south Most of the territory is covered by the Antarctic ice sheet. The land is named for Maud of Wales (1869–1938), queen consort of King Haakon VII of Norway. It is one of two Antarctic claims made by Norway, the other being Peter I Island. They are administrated by the Polar Affairs Department of the Norwegian Ministry of Justice and the Police in Oslo. The claim is subject to the Antarctic Treaty System.
http://wn.com/Queen_Maud_Land -
Rio de Janeiro
Rio de Janeiro ("River of January", ; ), commonly referred to simply as Rio, is the capital city of the State of Rio de Janeiro, the second largest city of Brazil and the third largest metropolitan area and agglomeration in South America, 6th largest in the Americas and 26th in the world.
http://wn.com/Rio_de_Janeiro -
Romania
Romania ( ; dated: Rumania; ) is a country located at the crossroads of Central and Southeastern Europe, north of the Balkan Peninsula, on the Lower Danube, within and outside the Carpathian arch, bordering on the Black Sea. Romania shares a border with Hungary and Serbia to the west, Ukraine and the Republic of Moldova to the northeast, and Bulgaria to the south.
http://wn.com/Romania -
Rome
Rome (; , ; ) is the capital of Italy and the country's largest and most populated city and comune, with over 2.7 million residents in . In 2006 the population of the metropolitan area was estimated by the Organisation for Economic Co-operation and Development to have a population of 3.7 million.
http://wn.com/Rome -
Saint Petersburg
Saint Petersburg () is a city and a federal subject (a federal city) of Russia located on the Neva River at the head of the Gulf of Finland on the Baltic Sea. The city's other names were Petrograd (, 1914–1924) and Leningrad (, 1924–1991). It is often called just Petersburg () and is informally known as Piter ().
http://wn.com/Saint_Petersburg -
Stockholm
Stockholm () is the capital and the largest city of Sweden. It is the site of the national Swedish government, the Riksdag (parliament), and the official residence of the Swedish monarch as well as the prime minister. Since 1980, the monarch has resided at Drottningholm Palace outside of Stockholm and uses the Royal Palace of Stockholm as his workplace and official residence. As of 2009, the Stockholm metropolitan area is home to approximately 22% of Sweden's population. Stockholm is the most populous city in Sweden with a population of 829,417 in the municipality (2009), 1.25 million in the urban area (2005), and 2 million in the 6650 km² large metropolitan area (2009).
http://wn.com/Stockholm -
United Kingdom
The United Kingdom of Great Britain and Northern Ireland (commonly known as the United Kingdom, the UK, or Britain) is a country and sovereign state located off the northwestern coast of continental Europe. It is an island nation, spanning an archipelago including Great Britain, the northeastern part of the island of Ireland, and many smaller islands. Northern Ireland is the only part of the UK with a land border with another sovereign state, sharing it with the Republic of Ireland. Apart from this land border, the UK is surrounded by the Atlantic Ocean, the North Sea, the English Channel and the Irish Sea. Great Britain is linked to continental Europe by the Channel Tunnel.
http://wn.com/United_Kingdom -
Warsaw
Warsaw ( ; see also other names) is the capital and largest city of Poland. It is located on the Vistula River roughly from the Baltic Sea and from the Carpathian Mountains. Its population as of June 2009 was estimated at 1,711,466, and the Warsaw metropolitan area at approximately 2,785,000. The city area is , with an agglomeration of (Warsaw Metro Area Obszar Metropolitalny Warszawy). Warsaw is the 9th largest city in the European Union by population.
http://wn.com/Warsaw -
Warsaw meridian
The Warsaw meridian () is a meridian line running through Warsaw. The local mean time at the meridian was known as Warsaw mean time (UTC+01:24), and was, since early nineteenth century, commonly used for timekeeping purposes in the lands of the former Polish-Lithuanian Commonwealth.
http://wn.com/Warsaw_meridian -
Washington, D.C.
Washington, D.C. (), formally the District of Columbia and commonly referred to as Washington, the District, or simply D.C., is the capital of the United States, founded on July 16, 1790. Article One of the United States Constitution provides for a federal district, distinct from the states, to serve as the permanent national capital. The City of Washington was originally a separate municipality within the federal territory until an act of Congress in 1871 established a single, unified municipal government for the whole District. It is for this reason that the city, while legally named the District of Columbia, is known as Washington, D.C. The city shares its name with the U.S. state of Washington, which is located on the country's Pacific coast.
http://wn.com/Washington_DC -
Western Hemisphere
The Western Hemisphere, also Western hemisphere or western hemisphere, is a geographical term for the half of the Earth that lies west of the Prime Meridian (which crosses Greenwich in London, England, United Kingdom), the other half being the eastern hemisphere. It is also used, mainly in North America, to specifically refer to the Americas (or the New World) and adjacent waters, while excluding other territories that lie geographically in Western Hemisphere (parts of Africa, Europe, Antarctica, and Asia); thus, it is sometimes referred to as the American hemisphere.
http://wn.com/Western_Hemisphere
- 1st meridian east
- 1st meridian west
- 25° W
- Airy-0
- Alexandria
- Almagest
- Antarctica
- Antwerp
- arcsecond
- Arctic Ocean
- Astronomer Royal
- Atlantic
- Atlantic Ocean
- Atlas Cosmographicae
- Bern
- Bruce (crater)
- Brussels
- Chester A. Arthur
- Copenhagen
- Doppler effect
- Earth
- East Sussex
- Eastern Hemisphere
- EGM96
- El Hierro
- English Channel
- Equator
- Geographia
- Geographical pole
- George Biddell Airy
- great circle
- Greenland Sea
- Greenwich
- Greenwich Mean Time
- Gulf of Valencia
- Hemispherical
- Italy
- James Bradley
- Jerusalem
- Jupiter
- Kyoto
- Lake Volta
- laser
- latitude
- Leap second
- least squares
- Lisbon
- London
- Lunar laser ranging
- Madrid
- magnetic fields
- Maimonides
- Mars
- mean solar time
- Mecca
- Mecca Time
- Mediterranean Sea
- Meridian of Antwerp
- Monte Mario
- Moon
- New World
- North American Datum
- North Pole
- North Sea
- Norwegian Sea
- Old World
- Oradea
- Ordnance Survey
- OSGB36
- Oslo
- Paris
- Paris Meridian
- Peacehaven
- Pisa
- Ptolemy
- Queen Maud Land
- Rio de Janeiro
- Romania
- Rome
- Rundetårn
- Saint Petersburg
- Santa Maria Island
- South Pole
- Southern Ocean
- Stockholm
- Strait of Anián
- sunspots
- Tectonic plate
- Titan (moon)
- Transit (satellite)
- transit circle
- Ujjain
- United Kingdom
- Universal Time
- Venus
- Warsaw
- Warsaw meridian
- Washington meridian
- Washington, D.C.
- Western Hemisphere
- WGS84
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Londres: Greenwich Meridian & Royal Observatory
- Order: Reorder
- Duration: 5:09
- Published: 24 Nov 2009
- Uploaded: 06 Mar 2011
- Author: viagensimagens
Visitando o Royal Observatory, local de referencia do Meridiano de Greenwich.
http://wn.com/Londres_Greenwich_Meridian_Royal_Observatory
Greenwich Mean Time
- Order: Reorder
- Duration: 0:22
- Published: 13 Jun 2007
- Uploaded: 27 Aug 2010
- Author: csmurray1980
This is the ball that drops to indicate 1pm Greenwich Mean Time. You can probably hear my friend Jon in the background excited that he got a photo of the ball dropping.
http://wn.com/Greenwich_Mean_Time
Greenwich District South East London River Thames Bank Meridian England by BK Bazhe.com
Greenwich - www.BAZHE.com Greenwich is a district in south-east London, England, on the south bank of the River Thames in the London Borough of Greenwich. It is best known for its maritime history and as giving its name to the Greenwich Meridian (0° longitude) and Greenwich Mean Time. The town became the site of a Royal palace, the Palace of Placentia from the 15th century, and was the birthplace of many in the House of Tudor, including Henry VIII. BKBAZHE is a writer, poet, and artist. He is the author of DAMAGES (creative nonfiction) —Winner in the Writers Digest Awards and IDENTITIES (poetry). He is published and exhibited in Europe and America. More info at BK Bazhe Website: www.bazhe.com Amazon Books & Art by BK Bazhe astore.amazon.com YouTube Videos by BK Bazhe: www.youtube.com Google Blog by BK Bazhe: bazhe.blogspot.com
http://wn.com/Greenwich_District_South_East_London_River_Thames_Bank_Meridian_England_by_BK_Bazhecom
Yan Oxygen - Greenwich meridian (original mix)
- Order: Reorder
- Duration: 6:39
- Published: 16 Mar 2010
- Uploaded: 16 Oct 2011
- Author: dulgasmrad
Greenwich Meridian Line
Greenwich Meridian Line (0° longitude)at the Royal Observatory in Greenwich park, UK.
http://wn.com/Greenwich_Meridian_Line
I am standing on the Greenwich Meridian!
- Order: Reorder
- Duration: 1:01
- Published: 16 Mar 2009
- Uploaded: 21 Aug 2010
- Author: GeorgeLaw5
A Greenwich Meridian marking on the pavement near the Homebase store at Forest Road, London. I am standing facing due North. To the East (my right) is South Woodford, where I live. To the West (my left) is Walthamstow, where my friend lives.
http://wn.com/I_am_standing_on_the_Greenwich_Meridian!
"Greenwich Mean Time" Bruce_n_ros's photos around London, United Kingdom (greenwich observatory)
- Order: Reorder
- Duration: 1:07
- Published: 31 Mar 2011
- Uploaded: 28 Aug 2011
- Author: TripAdvisorTRIPWOW2
Preview of Bruce_n_ros'sblog at TravelPod. Read the full blog here: www.travelpod.com This blog preview was made by TravelPod using the TripAdvisor™ TripWow slideshow creator. Entry from: London, United Kingdom Entry Title: "Greenwich Mean Time" Entry: "Wednesday 27th 2010 -- Cambridge to Greenwich (Wet overnight, overcast but warm) It had poured down during the night!! I expected huge lakes of water in the campsite. However apart from lots of mud it didn't look too bad. We had to clean the inside of the motorhome which was a bit of a mission with all the mud outside but got it done. Then it was time to empty the grey water tank -- not been a problem before. This campsite didn't have a designated dumpsite on hard ground so we nearly got stuck in the mud!! The drive to Flamstead (Just Go depot) wasn't too busy except for one spot where the traffic was at a crawl but we managed to get the motorhome back on time only to find we'd taken out an top indicator light on the rear of the vehicle. Just the wires left!! It must have been the branches on those narrow Welsh lanes. Not too costly (GBP23) thank goodness as we have to pay for the damage. One of the staff dropped us at a nearby to catch the train to London Bridge and then one to Greenwich. Fairly straightforward except for lugging bags up and down flights of stairs at the stations!! Oh for a lift or escalator like in Canada... W"e also had a bit of a walk to our hotel as we went the long way. However after a bit of a rest <b>...</b>
http://wn.com/Greenwich_Mean_Time_Bruce_n_ros's_photos_around_London,_United_Kingdom_greenwich_observatory
Titsey Woods on the Greenwich Meridian and Mendips
- Order: Reorder
- Duration: 1:49
- Published: 09 May 2011
- Uploaded: 01 Aug 2011
- Author: odderanswer
Middle of Titsey Woods and view south from the North Downs on the edge of the woods. Both filmed within 10 metres of Greenwich meridian. Last section in the village of Wrington on the edge of the Mendips. My annotations showing the exact lat/long of my camera don't seem to be publishing :( Music: Kaleidoscope from their new EP Sprig by Muscovy. Download from here: muscovy.bandcamp.com
http://wn.com/Titsey_Woods_on_the_Greenwich_Meridian_and_Mendips
Greenwich Mean Time and the Canary Islands - 'Twitters from the Atlantic'
- Order: Reorder
- Duration: 4:32
- Published: 16 Oct 2010
- Uploaded: 13 Jan 2011
- Author: barriemahoney
The Canary Islands have a strong place in history in setting the centre of world time. Imagine the prestige (and confusion) if the world's clocks were set to Canaries Mañana Time and not Greenwich Mean Time! www.barriemahoney.com and www.thecanaryislander.com
http://wn.com/Greenwich_Mean_Time_and_the_Canary_Islands__'Twitters_from_the_Atlantic'
Greenwich Mean Time gets pwned
simv from a gamer's odyssey crosses the prime meridian...
http://wn.com/Greenwich_Mean_Time_gets_pwned
darla IN GREENWICH meridian
Darla joy Castillo in an MTV like clip as she visits Greenwich, London April 2009.
http://wn.com/darla_IN_GREENWICH_meridian
I never knew that about London - Greenwich - The Greenwich Meridian
- Order: Reorder
- Duration: 0:32
- Published: 05 Jul 2011
- Uploaded: 22 Jul 2011
- Author: inktlondon
Join Christopher Winn on a trip around London as he reveals it's secrets and extraordinary history in " I never knew that about London "
http://wn.com/I_never_knew_that_about_London__Greenwich__The_Greenwich_Meridian
greenwich mean time park scene
- Order: Reorder
- Duration: 1:47
- Published: 19 Dec 2009
- Uploaded: 30 Aug 2011
- Author: verminousb
Greenwich Mean time park scene with Benjamin Waters, Chewitel Ejiofor, Alicia Eyo, Melanie Gutteridge, Anjela Lauren Smith, Alec Newman, Steve john sheppard
http://wn.com/greenwich_mean_time_park_scene
Greenwich Park, view London Olympics 2012 Equestrian event site
Footage of Greenwich Park, London, England, by Con Maloney on Friday 3rd June 2011. Includes, Greenwich Royal Observatory & Meridian Line, site of Greenwich Mean Time (GMT), Royal Naval Museum, site of London Olympics 2012 Equestrian event, Canary Wharf, River Thames, Isle of Dogs, O2 Arena/Millenium Dome.
http://wn.com/Greenwich_Park,_view_London_Olympics_2012_Equestrian_event_site
Under the Greenwich meridian.Espana-Andorra-France, Pyrenees. 03-01-2009.
Autotrevel Minsk(Belarus) - Lisboa(Portugal)-Minsk(Belarus), Espana-Aragon, Catalunya, Zaragoza, Lleida, Balaguer, Andorra, France, Pyrenees Orientale, Bourg-Madame, Perpignan, 03-01-2009. BMW Club Belarus, se_bmw
http://wn.com/Under_the_Greenwich_meridianEspana-Andorra-France,_Pyrenees_03-01-2009
Greenwich Meridian - Meridiano de Greenwich 1
- Order: Reorder
- Duration: 0:34
- Published: 14 Jun 2008
- Uploaded: 27 Aug 2010
- Author: filipeixotouk
Fui visitar o Meridiano de Greenwich, a linha simbolica que divide os hemisferios leste e oeste. Mais novidades no Blog Capizares capizares.blogspot.com
http://wn.com/Greenwich_Meridian__Meridiano_de_Greenwich_1
Greenwich Meridian
- Order: Reorder
- Duration: 0:35
- Published: 15 Jun 2007
- Uploaded: 29 Jul 2010
- Author: elisebramich
Jon attempts to follow the sign's instruction to straddle the Meridian while printing his certificate to say he is straddling the Meridian.
http://wn.com/Greenwich_Meridian
Greenwich Meridian - Meridiano de Greenwich 2
- Order: Reorder
- Duration: 0:30
- Published: 14 Jun 2008
- Uploaded: 13 Feb 2011
- Author: filipeixotouk
O relogio mais pontual do mundo. Mais novidades no blog Capizares. capizares.blogspot.com
http://wn.com/Greenwich_Meridian__Meridiano_de_Greenwich_2
GREENWICH MERIDIAN
- Order: Reorder
- Duration: 2:29
- Published: 23 Aug 2007
- Uploaded: 02 Aug 2011
- Author: Pirataraul
El meridiano de Greenwich es el semicírculo imaginario que une los polos y pasa por Greenwich, más precisamente por el antiguo observatorio astronómico de este suburbio de Londres. El meridiano de Greenwich sirve de meridiano de origen: es a partir de él que se miden las longitudes, en grados, es decir, que corresponde a la longitud cero, por lo que también se llama meridiano cero y primer meridiano. Se adoptó como referencia en una conferencia internacional celebrada en 1884 en Washington auspiciada por el presidente de los EE.UU., a la que asistieron delegados de 25 países.
http://wn.com/GREENWICH_MERIDIAN
Yan Oxygen - Greenwich Meridian (Original Mix)
- Order: Reorder
- Duration: 6:40
- Published: 03 Aug 2010
- Uploaded: 23 Sep 2011
- Author: EnErGeTiCjUnKy
Greenwich Park's Hidden Masonic Connections
- Order: Reorder
- Duration: 2:19
- Published: 17 Apr 2008
- Uploaded: 27 Aug 2010
- Author: Merlinhedd
Prehistoric links between the site of the Royal Observatory's Greenwich Meridian and the subsequent layout of the masoncially influenced psychogeographic layout of the City of London. Short extract from Rupert Ferguson's 'Voices of Albion: Levellers, Luddites, Diggers and Dongas in Traditional Myth and Folklore'. For more about this Summer's screening of 'Strange Myths of King's Cross' at September's Portobello Film Festival, go to: www.portobellofilmfestival.com For more about his book on 'Legendary London' go to www.nascr.net Prehistoric links between the site of the Royal Observatory's Greenwich Meridian and the subsequent layout of the masoncially influenced psychogeographic layout of the City of London. Short extract from Rupert Ferguson's 'Voices of Albion: Levellers, Luddites, Diggers and Dongas in Traditional Myth and Folklore'. For more about this Summer's screening of 'Strange Myths of King's Cross' at September's Portobello Film Festival, go to: www.portobellofilmfestival.com For more about his book on 'Legendary London' go to www.nascr.net
http://wn.com/Greenwich_Park's_Hidden_Masonic_Connections
Greenwich Meridian Line
- Order: Reorder
- Duration: 0:25
- Published: 24 Jan 2011
- Uploaded: 24 Jan 2011
- Author: yvonnedelaney
FIlmed in Greenwich at the Meridian Line, Longitude 0. The Prime Meridian of the world,
http://wn.com/Greenwich_Meridian_Line
![Greenwich (pronounced /ˈɡrɛnɪtʃ/ ( listen) GREN-itch, /ˈɡrɛnɪdʒ/ GREN-idge, or /ˈɡrɪnɪdʒ/ GRIN-idge)[1][2] is a district in south-east London, England, on the south bank of the River Thames in the London Borough of Greenwich. It is best known for its maritime history and as giving its name to the Greenwich Meridian (0° longitude) and Greenwich Mean Time.](http://web.archive.org./web/20111115235311/http://cdn8.wn.com/pd/9d/10/64e2709bfc312a8afc2b3dede102_medium.jpg "Greenwich (pronounced /ˈɡrɛnɪtʃ/ ( listen) GREN-itch, /ˈɡrɛnɪdʒ/ GREN-idge, or /ˈɡrɪnɪdʒ/ GRIN-idge)[1][2] is a district in south-east London, England, on the south bank of the River Thames in the London Borough of Greenwich. It is best known for its maritime history and as giving its name to the Greenwich Meridian (0° longitude) and Greenwich Mean Time.")
![The Peter Harrison Planetarium is a 120-seat digital laser planetarium, situated in Greenwich Park, London and is part of the National Maritime Museum. It opened on May 25, 2007.[1]](http://web.archive.org./web/20111115235311/http://cdn6.wn.com/pd/38/d0/20f9a6f6eca3d8d1e106b78048d1_medium.jpg "The Peter Harrison Planetarium is a 120-seat digital laser planetarium, situated in Greenwich Park, London and is part of the National Maritime Museum. It opened on May 25, 2007.[1]")
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BBC News
Continue reading the main story Related stories At the centre of time Should UK culture vultures pay? Futuristic planetarium unveiled Visitors to the world-famous Meridian Line at the Royal Observatory in...
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Readers reacquire Greenwich Meridian
07 Feb 2006
The Register
Letters The Google China search engine kerfuffle is unlikely to abate in the near future, so we'll start off this dredge of the Vulture Central mail repository with some reponses to a last week from Colin Jackson. To recap, Colin wrote: Possibly the most frightening thing I have ever seen on this...
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Google shifts Greenwich Meridian
06 Feb 2006
Fox News
LONDON (AP) They don't all speak the same language, practice the same religion, share a currency or even look alike. But since 1884, people in countries as varied as Britain and Burkina Faso have been linked by an invisible line the Greenwich Meridian, which runs from the North Pole to the South...
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(red) and the Prime Meridian (blue)]]
Washington, D.C. (77° 3' 2.3” W), see Washington meridian
Philadelphia (75° 10' 12” W)
Rio de Janeiro (43° 10' 19” W)
El Hierro (Ferro), Canary Islands (18° 03' W, later redefined as 17° 39' 46”? W)
Lisbon (9° 07' 54.862” W)
Madrid (3° 41' 16.58” W)
Paris (2° 20' 14.025” E), see Paris Meridian
Brussels (4° 22' 4.71” E)
Antwerp (4° 24' E), used by Mercator, see Meridian of Antwerp
Bern (7° 26' 22.5” E)
Pisa, Italy (10°24' E)
Oslo (Kristiania) (10° 43' 22.5” E)
Rome (12° 27' 08.4” E), meridian of Monte Mario
Copenhagen (12° 34' 32.25” E) Rundetårn
Stockholm (18° 3' 29.8” E), at the observatory
Warsaw (21° 00’ 42” E), see Warsaw meridian
Oradea, Romania (21° 55' 16” E)
Alexandria (29° 53' E)
Saint Petersburg (30° 19' 42.09” E), Pulkovo meridian
Great Pyramid of Giza (31° 8' 3.69” E), 1884
Jerusalem (35° 13' 47.1” E), for the small dome of the Church of the Holy Sepulchre
Approximately 59° east of Greenwich
Ujjain (75° 47' E), Used from 4th century CE Indian astronomy and calendars.
Kyoto (135° 74' E), Used in 18th and 19th (officially 1779-1871) century Japanese maps. Exact place unknown, but in "Kairekisyo" in Nishigekkoutyou-town in Kyoto, then the capital.
Mecca (39° 49′ 34″ E), see Mecca Time
The Prime Meridian of the Moon lies directly in the middle of the face of the moon visible from Earth and passes near the crater Bruce.
The Prime Meridian of Mars is defined by the crater Airy-0.
The Prime Meridian of Venus passes through the central peak in the crater Ariadne.
Two different heliographic coordinate systems are used on the Sun. The first is the Carrington heliographic coordinate system. In this system, the Prime Meridian passes through the center of the solar disk as seen from the Earth on 9 November 1853, which is when Richard Christopher Carrington started his observations of sunspots. The second is the Stonyhurst heliographic coordinates system.
Jupiter has several coordinate systems because its cloud tops -- the only part of the planet visible from space -- rotate at different rates depending on latitude. It is unknown whether Jupiter has any internal solid surface that would enable a more Earth-like coordinate system. Scientific Astronomer uses System II coordinates, based on the mean atmospheric rotation of the north and south Equatorial belts. System III coordinates use Jupiter's magnetic field.
Titan, like the Earth's moon, always has the same face towards Saturn, and so that face is 0 longitude.
1st meridian east
1st meridian west
Greenwich Mean Time
The Royal Observatory in Greenwich">The Prime Meridian line at The Royal Observatory in Greenwich
scanned TIFFs of the conference proceedings
Prime meridians in use in the 1880s, by country
Canadian Prime Meridian
A pictorial catalogue of meridian markers
The Prime Meridian is the line of longitude at which the longitude is defined to be 0°.
The Prime Meridian and its opposite the 180th meridian (at 180° longitude), which the International Date Line generally follows, form a great circle that divides the Earth into the Eastern and Western Hemispheres.
An international conference in 1884 decided the modern Prime Meridian passes through the Royal Observatory, Greenwich in southeast London, United Kingdom, known as the International Meridian or Greenwich Meridian, although the Prime Meridian is ultimately arbitrary unlike the parallels of latitude, which are defined by the rotational axis of the Earth with the Poles at 90° and the Equator at 0°.
Historically, various meridians have been used, including four different ones through Greenwich.
Geography
Starting at the North Pole and heading south to the South Pole, the Prime Meridian passes through: :{| class="wikitable" ! Co-ordinates(approximate) ! Country, territory or sea ! Notes |- | style="background:#b0e0e6;" | | style="background:#b0e0e6;" | Arctic Ocean | style="background:#b0e0e6;" | |- | style="background:#b0e0e6;" | | style="background:#b0e0e6;" | Greenland Sea | style="background:#b0e0e6;" | |- | style="background:#b0e0e6;" | | style="background:#b0e0e6;" | Norwegian Sea | style="background:#b0e0e6;" | |- | style="background:#b0e0e6;" | | style="background:#b0e0e6;" | North Sea | style="background:#b0e0e6;" | |-valign="top" | | | The northernmost land on this meridian is near Tunstall in East Riding,Yorkshire. The southernmost land in the UK is Peacehaven, East Sussex. |- | style="background:#b0e0e6;" | | style="background:#b0e0e6;" | English Channel | style="background:#b0e0e6;" | |- | | | |- | | | |- | style="background:#b0e0e6;" | | style="background:#b0e0e6;" | Mediterranean Sea | style="background:#b0e0e6;" | Gulf of Valencia |- | | | |- | style="background:#b0e0e6;" | | style="background:#b0e0e6;" | Mediterranean Sea | style="background:#b0e0e6;" | |- | | | |- | | | |- | | | |- | | | For about 600 m |- | | | For about 16 km |- | | | For about 39 km |- | | | Passing through Lake Volta at |- | style="background:#b0e0e6;" | | style="background:#b0e0e6;" | Atlantic Ocean | style="background:#b0e0e6;" | Passing through the Equator at |- | style="background:#b0e0e6;" | | style="background:#b0e0e6;" | Southern Ocean | style="background:#b0e0e6;" | |-valign="top" | | Antarctica | Queen Maud Land, claimed by |- |}
History
in his Atlas Cosmographicae (1595) uses a prime meridian in the Atlantic, intended to separate the Old World (Eurasia and Africa) and the New World (the Americas) into two hemispheres. Mercator's 180th meridian runs along the Strait of Anián (Bering strait), while his prime meridian corresponds to somewhere close to 25° W, passing just to the west of Santa Maria Island.]]The Prime Meridian is ultimately arbitrary—a matter of convention—and various conventions have been used or advocated in different regions and throughout history:
The modern Greenwich Meridian, based at the Royal Observatory, Greenwich, was established by Sir George Airy in 1851. By 1884, over two-thirds of all ships and tonnage used it as the reference meridian on their maps. In October of that year, at the behest of U.S. President Chester A. Arthur, 41 delegates from 25 nations met in Washington, D.C., USA, for the International Meridian Conference. This conference selected the Greenwich Meridian as the official Prime Meridian due to its popularity. However, France abstained from the vote and French maps continued to use the Paris Meridian for several decades.
The Greenwich Meridian is now marked at night by a laser beam emitted northwards from the observatory.
IERS Reference Meridian
receiver at the Greenwich Meridian. This does not indicate a longitude of zero because the GPS reference meridian is about 100 metres to the east.]]The International Earth Rotation and Reference Systems Service (IERS) maintains the IERS Reference Meridian (IRM), also called the International Reference Meridian, which is the reference meridian (Prime Meridian, 0° longitude) of the Global Positioning System operated by the United States Department of Defense. It is the reference meridian in WGS84 and its two formal versions, the ideal International Terrestrial Reference System (ITRS) and its realization, the International Terrestrial Reference Frame (ITRF).
The IRM is 5.31 arcseconds east of Airy's transit circle or 102.5 metres (336.3 feet) at the latitude of the Royal Observatory, Greenwich. This shift is a legacy of the first satellite navigation system, the Doppler based TRANSIT system. TRANSIT was developed by the Applied Physics Laboratory of Johns Hopkins University. Its lab is located in Howard County, Maryland, which was the location of TRANSIT's first ground station. The station's surveyed coordinates in the North American Datum 1927 (NAD27) — a non-Earth centered ellipsoid — became its coordinates in an Earth-centered ellipsoid, such as the World Geodetic System. This shifted the coordinates of any other location on an Earth-centered ellipsoid, especially those far away.
When the antenna of a TRANSIT ground station was mounted directly above Airy's transit circle in June 1969, its longitude on an Earth-centered ellipsoid was 5.64 arcseconds west of TRANSIT's reference meridian. Several small additional longitude shifts were created by further improvement in gravitational models such as the Earth Geopotential Model 1996 (EGM96), a dramatic increase in the number of ground stations from only four to over 500, and the use of time-based GPS.
The International Hydrographic Organization adopted an early version of the IRM in 1983 for all nautical charts. The IRM was adopted for air navigation by the International Civil Aviation Organization on 3 March 1989. Tectonic plates slowly move over the surface of the Earth, so most countries have adopted for their maps an IRM version fixed relative to their own tectonic plate as it existed at the beginning of a specific year. Examples include the North American Datum 1983 (NAD83), the European Terrestrial Reference Frame 1989 (ETRF89), and the Geocentric Datum of Australia 1994 (GDA94). Versions fixed to a tectonic plate differ from the global version by at most a few centimetres.
However, the IRM is not fixed to any point on Earth. Instead, all points on the European portion of the Eurasian plate, including the Royal Observatory, are slowly moving northeast about 2.5 cm per year relative to it. Thus this IRM is the weighted average (in the least squares sense) of the reference meridians of the hundreds of ground stations contributing to the IERS network. The network includes GPS stations, Satellite Laser Ranging (SLR) stations, Lunar Laser Ranging (LLR) stations, and the highly accurate Very Long Baseline Interferometry (VLBI) stations. All stations' coordinates are adjusted annually to remove net rotation relative to the major tectonic plates. If Earth had only two hemispherical plates moving relative to each other around any axis which intersects their centres or their junction, then the longitudes (around any other rotation axis) of any two, diametrically opposite, stations must move in opposite directions by the same amount.
Universal Time is notionally based on the WGS84 meridian. Because of changes in the Earth's rotation, the standard international time UTC can differ from the mean observed time on the meridian by up to 0.9 second (equivalent to about 260 metres at Greenwich). Leap seconds are inserted periodically to keep UTC close to Earth's angular position relative to the Sun — mean solar time.
United Kingdom Ordnance Survey Zero Meridian
The zero meridian used by the Ordnance Survey (OSGB36 datum) is about six metres to the west of the Airy meridian marked at Greenwich. When the first Ordnance Survey map was published in 1801, the official Prime Meridian of Great Britain was the one established by the third Astronomer Royal, James Bradley. When Airy's new Prime Meridian ("new" by virtue of Sir George Airy's instrument being placed in a room next to that housing James Bradley's instrument) superseded it fifty years later in 1851, the Ordnance Survey simply continued to use Bradley's.
Other planetary bodies
As on the Earth, prime meridians must be arbitrarily defined. Often a landmark such as a crater is used, other times a prime meridian is defined by reference to another celestial object, or by magnetic fields. The prime meridians of the following planetographic systems have been defined:
See also
References
External links
Category:Time zones Category:Geodesy Category:Lines of longitude Category:1884 establishments Category:English inventions Category:Geography of Greenwich
af:Greenwich ar:خط غرينتش ast:Meridianu de Greenwich be:Грынвіцкі мерыдыян be-x-old:Грынвіцкі мэрыдыян bg:Начален меридиан ca:Meridià de Greenwich cs:Základní poledník da:Nulmeridianen de:Nullmeridian et:Algmeridiaan es:Meridiano de Greenwich eo:Grenviĉa Meridiano eu:Greenwich meridianoa fa:نصفالنهار مبدأ fo:Greenwichmeridianin fr:Méridien de Greenwich fy:Nulmeridiaan gl:Meridiano de Greenwich ko:본초 자오선 hi:मध्याह्न रेखा hr:Grinički meridijan id:Meridian utama is:Núllbaugur it:Meridiano di Greenwich he:קו גריניץ' ka:გრინვიჩის მერიდიანი ht:Premye meridyen lv:Griničas meridiāns hu:Nullmeridián mk:Нулти меридијан ms:Meridian Perdana nl:Meridiaan van Greenwich ja:グリニッジ子午線 no:Nullmeridianen nn:Nullmeridianen pl:Południk zerowy pt:Meridiano de Greenwich ru:Гринвичский меридиан sq:Meridiani i Griniçit simple:Prime Meridian sk:Greenwichský poludník sr:Гринички меридијан sv:Nollmeridian tl:Punong Meridyano th:เส้นไพรม์เมอริเดียน tr:Baş meridyen uk:Гринвіцький меридіан vi:Kinh tuyến gốc zh:本初子午線This text is licensed under the Creative Commons CC-BY-SA License. This text was originally published on Wikipedia and was developed by the Wikipedia community.
