Earth

Earth /ˈɜːrθ/ (also the world, in Greek: Γαῖα Gaia, or in Latin: Terra) is the third planet from the Sun, the densest planet in the Solar System, the largest of the Solar System's four terrestrial planets, and the only astronomical object known to harbor life.

According to evidence from radiometric dating and other sources, Earth was formed about 4.54 billion years ago. Earth gravitationally interacts with other objects in space, especially the Sun and the Moon. During one orbit around the Sun, Earth rotates about its own axis 366.26 times, creating 365.26 solar days or one sidereal year. Earth's axis of rotation is tilted 23.4° away from the perpendicular of its orbital plane, producing seasonal variations on the planet's surface with a period of one tropical year (365.24 solar days). The Moon is Earth's only permanent natural satellite. Its gravitational interaction with Earth causes ocean tides, stabilizes the orientation of Earth's rotational axis, and gradually slows Earth's rotational rate.

Star

A star is a luminous sphere of plasma held together by its own gravity. The nearest star to Earth is the Sun. Other stars are visible to the naked eye from Earth during the night, appearing as a multitude of fixed luminous points in the sky due to their immense distance from Earth. Historically, the most prominent stars were grouped into constellations and asterisms, and the brightest stars gained proper names. Extensive catalogues of stars have been assembled by astronomers, which provide standardized star designations.

For at least a portion of its life, a star shines due to thermonuclear fusion of hydrogen into helium in its core, releasing energy that traverses the star's interior and then radiates into outer space. Once the hydrogen in the core of a star is nearly exhausted, almost all naturally occurring elements heavier than helium are created by stellar nucleosynthesis during the star's lifetime and, for some stars, by supernova nucleosynthesis when it explodes. Near the end of its life, a star can also contain degenerate matter. Astronomers can determine the mass, age, metallicity (chemical composition), and many other properties of a star by observing its motion through space, luminosity, and spectrum respectively. The total mass of a star is the principal determinant of its evolution and eventual fate. Other characteristics of a star, including diameter and temperature, change over its life, while the star's environment affects its rotation and movement. A plot of the temperature of many stars against their luminosities, known as a Hertzsprung–Russell diagram (H–R diagram), allows the age and evolutionary state of a star to be determined.

Comparison

Comparison may refer to:

Language

Comparison (grammar), the modification of adjectives and adverbs to express relative degree

Mass comparison, a test for the relatedness of languages

Mathematics

Comparison (mathematics), notation for comparing variable values

Comparison of topologies

Multiple comparisons, a procedure of statistics

Computer science

Data comparison, the automatic comparison of data such as files and texts by computer programs

Comparison (computer programming), code that makes decisions and selects alternatives based on them

Comparison sort, a type of data sort algorithm

Psychology

Pairwise comparison, a test of psychology

Social comparison theory, a branch of social psychology

Other

Comparison microscope

Price comparison service, an Internet service

Cross-cultural studies, which involve cross-cultural comparisons

Compare: A Journal of Comparative and International Education

Planet

A planet (from Ancient Greek ἀστήρ πλανήτης astēr planētēs, or πλάνης ἀστήρ plánēs astēr, meaning "wandering star") is an astronomical object orbiting a star or stellar remnant that

is massive enough to be rounded by its own gravity,

is not massive enough to cause thermonuclear fusion, and

has cleared its neighbouring region of planetesimals.

The term planet is ancient, with ties to history, science, mythology, and religion. Several planets in the Solar System can be seen with the naked eye. These were regarded by many early cultures as divine, or as emissaries of deities. As scientific knowledge advanced, human perception of the planets changed, incorporating a number of disparate objects. In 2006, the International Astronomical Union (IAU) officially adopted a resolution defining planets within the Solar System. This definition is controversial because it excludes many objects of planetary mass based on where or what they orbit. Although eight of the planetary bodies discovered before 1950 remain "planets" under the modern definition, some celestial bodies, such as Ceres, Pallas, Juno and Vesta (each an object in the solar asteroid belt), and Pluto (the first trans-Neptunian object discovered), that were once considered planets by the scientific community, are no longer viewed as such.

Galaxy

A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter. The word galaxy is derived from the Greek galaxias (γαλαξίας), literally "milky", a reference to the Milky Way. Galaxies range in size from dwarfs with just a few thousand (10³) stars to giants with one hundred trillion (10¹⁴) stars, each orbiting their galaxy's own center of mass. Galaxies, are categorized according to their visual morphology, including elliptical,spiral, and irregular. Many galaxies are thought to have black holes at their active centers. The Milky Way's central black hole, known as Sagittarius A*, has a mass four million times greater than the Sun. As of July 2015, EGSY8p7 is the oldest and most distant observed galaxy with a light travel distance of 13.2 billion light-years from Earth, and observed as it existed 570 million years after the Big Bang. Previously, as of May 2015, EGS-zs8-1 was the most distant known galaxy, estimated to have a light travel distance of 13.1 billion light-years away and to have 15% of the mass of the Milky Way.

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'Earth' is featured as a movie character in the following productions:

Bon Appétit (2011)

Actors: Stefán Jónsson (actor), Helena Stefansdottir (writer), Helena Stefansdottir (director), Arnar Steinn Friðbjarnarson (editor), Thorvardur Björgúlfsson (producer), Arnar Steinn Friðbjarnarson (producer), Kjartan Kjartansson (producer), Helga Rakel Rafnsdottir (miscellaneous crew), Unnur Andrea Einarsdottir (costume designer), Katie Baldwin-Eng (actress), Kolfinna Nikulásdóttir (actor),

Genres: Drama, Fantasy, Mystery, Short,

Fung wan II (2009)

Actors: Daniel Lam (producer), Ekin Cheng (actor), Nicholas Tse (actor), Danny Pang (producer), Simon Yam (actor), Oxide Pang Chun (producer), Aaron Kwok (actor), Suet Lam (actor), Danny Pang (director), Oxide Pang Chun (director), Charlene Choi (actress), Patrick Tam (actor), Tak-bun Wong (actor), Danny Arroyo (actor), Curran Pang (editor),

Plot: Based on the comic book series "Fung Wan" and directed by The Pang Brothers comes the incredible story of two friends, Wind and Cloud, who find themselves up against a very powerful warlord intending to invade their country. In order to protect their land these two friends seek the help of the all-powerful master. Through extensive training Wind and Cloud expose themselves to the "evil" ways to increase their powers of element. When the intensive battle begins their friendship will be tested when one finds it hard to be righteous and easy to be evil.

Keywords: number-in-title, part-of-trilogy, roman-numeral-in-title, second-in-trilogy, second-part, sequel
Genres: Action, Adventure, Fantasy,

Solitudo (2008)

Actors: Gianluca Quarto (editor), Bruno Conti (actor), Alberto Caneva (actor), Mimmo La Rana (actor), Patrizio Cigliano (actor), Raffaele Castria (actor), Pino Borselli (director), Pino Borselli (actor), Pino Borselli (writer), Giancarlo Martini (actor), Sebastiano Tringali (actor), Ciro Damiano (actor), Luca Battagello (actor), Linda Manganelli (actress), Luca De Dominicis (producer),

Genres: Drama,

Rak haeng Siam (2007)

Actors: Prachya Pinkaew (producer), Somsak Techaratanaprasert (producer), Lee Chatametikool (editor), Sukanya Vongsthapat (producer), Mario Maurer (actor), Chookiat Sakveerakul (editor), Chookiat Sakveerakul (writer), Chookiat Sakveerakul (actor), Chookiat Sakveerakul (writer), Chookiat Sakveerakul (director), Laila Boonyasak (actress), Laila Boonyasak (actress), Sinjai Plengpanit (actress), Ekasith Meeprasertsakul (costume designer), Sita Vosbein (producer),

Plot: Two young boys are best friends living quiet family lives in Bangkok. Their lives are disrupted when one boy's older sister goes missing on a jungle trip. The shattered family moves away, separating the boys. Years later, now in their late teens, the boys meet again. One of them is now the leader of an aspiring boy band whose managing assistant bears a striking resemblance to the lost sister. The boys must deal with their family and social lives and their feelings for each other.

Keywords: alcoholism, band-manager, bangkok, boy-band, catholic, christmas, coming-of-age, coming-out, disapproving-mother, family-relationships
Genres: Drama, Mystery, Romance,

M51 & Gizmo (2007)

Actors: Austin Wintory (composer), Tim Pyle (director), Tim Pyle (editor), Tim Pyle (writer), Buffy Henshaw (actress), Buffy Henshaw (actress), Gordon Squires (producer), Michelle Thaller (producer), Robert Hurt (actor), Robert Hurt (actor), Robert Hurt (actor), Jim Keller (writer), Andrea Dean (actress), Andrea Dean (actress), Lisa Storrie-Lombardi (actress),

Genres: Animation, Short,
Taglines: Learning Astronomy has never been so much fun!

Quotes:

M51: Wow, I didn't know moving the Earth was such a big deal!

Tonight Only (2007)

Actors: Jaret Sacrey (editor), Jaret Sacrey (producer), Jaret Sacrey (writer), Jaret Sacrey (director), Eric Larkin (actor), Gillian Brashear (actress), Gillian Brashear (writer), Patricia Ageheim (actress), Ron Riegler (actor), Jason Sacrey (actor), James Berkowitz (actor), Jason Sacrey (producer), Jason Sacrey (writer), Michael Dubin (composer), Michael Dubin (actor),

Plot: Sally-Sarah arrives at this strange place, a shadow of her yesterdays. After a car crash takes her life, she encounters provoking characters, personifications of her own psyche in its stages of dying. Her journey is to integrate these broken selves to release herself from the despair of Purgatory so as to embrace acceptance and then transcendence.

Keywords: death
Genres: Fantasy, Short,
Taglines: "Because I could not stop for Death, He kindly stopped for me"

Den gode strømer (2004)

Actors: Jens Okking (actor), Nicolas Bro (actor), Thomas Bo Larsen (actor), Kim Bodnia (writer), Kjeld Nørgaard (actor), Iben Hjejle (actress), Kim Bodnia (actor), Nikolaj Coster-Waldau (actor), George Keller (composer), Lasse Spang Olsen (editor), Lasse Spang Olsen (writer), Lasse Spang Olsen (director), Robert Hansen (actor), Laura Drasbæk (actress), Helle Fagralid (actress),

Genres: Action, Comedy,
Taglines: Minding other people's business...

Maguma taishi (1993)

Actors: Miki Itô (actress), Naoko Matsui (actress), Wataru Takagi (actor), Akio Ôtsuka (actor), Steve Blum (actor), Masami Kikuchi (actor), Jûrôta Kosugi (actor), Tom Fahn (actor), Tom Fahn (actor), Steve Blum (actor), Steve Blum (actor), Tom Fahn (actor), Akira Ishida (actor), Osamu Tezuka (writer), Kotono Mitsuishi (actress),

Genres: Action, Animation, Sci-Fi, Short,

Maguma taishi (1993)

Genres: Action, Animation, Sci-Fi, Short,

Da nao tian gong (1965)

Actors: Hans Alfredson (actor), Wan Laiming (director), Wan Laiming (writer), Ch'eng-En Wu (writer), Ke Bi (actor), Ying-Chu Wu (composer), Ke Bi (actor), Li Kuero (writer),

Genres: Animation, Family, Fantasy,

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earth

published: 11 Aug 2012

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Earth: Down To The Earth's Core

Earth's Core Documentary

published: 07 Feb 2016

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🔥 Mega Machines - Earth Beasts 🔥

published: 13 Nov 2016

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The Story Of Earth

published: 04 Nov 2012

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RARE EARTH - Ma

RARE EARTH

published: 02 Feb 2015

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Evacuate Earth

published: 18 Feb 2014

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after earth full movie 💜

published: 09 Oct 2016

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アフターアース After Earth

published: 31 Aug 2015

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Down To The Earth's Core HD)

published: 10 May 2013

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earth...

Earth: Down To The Earth's Core...

🔥 Mega Machines - Earth Beasts 🔥...

The Story Of Earth...

RARE EARTH - Ma...

Evacuate Earth...

after earth full movie 💜...

アフターアース After Earth...

Down To The Earth's Core HD)...

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Lyrics list:

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Earth, Cress

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Earth, Me'Shell NdegÃ©Ocello

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Earth, Mapmaker

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Earth, Second Person

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Earth, Seals & Crofts

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Runaway, Earth

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Earth, Me'Shell Ndegeocello

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Earth, Winds Of Plague

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Earth, Make Me Famous

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Earth, Imogen Heap

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Earth, Atheist

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Earth, Queen

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Earth, Beto Vázquez Infinity

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Earth, Celine Dion

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Earth, Ador Dorath

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Earth, Demians

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Earth, Colour Haze

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Earth, Darkel

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Earth, Beborn Beton

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Earth, Matthew Sweet

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Earth

do you think we'll see two thousand, do you think we'll live that long, it wasn't till mankind was born, things started to go wrong, we copulate to populate and the generations flow, the earth is getting weaker, and her heart is beating slow, i feel the earth beneath my feet, but to you it feels like dirt, we poison, we rape it, it took two thousand years of hurt, we fake it, forsake it, progress is always on the take, destroy it or enjoy it, the choice is there for you to make, no solution to evolution, we're genocidal or suicidal, incineration, extermination, exploitation, that's mans creation

photo: US Army / Ayla Seidel

United States President Donald J. Trump and First Lady Melania Trump dances in the center of the stage during the Salute to Our Armed Services Ball at the National Building Museum, Washington, D.C., Jan. 20, 2017.

Melania Trump Seeks $150M in Damages over Reports She Worked as an Escort

Edit Chosun Ilbo 07 Feb 2017

U.S. First Lady Melania Trump has re-filed a defamation lawsuit against the company that publishes the Daily Mail's website, saying an article posted there in August 2016 harmed her ability to earn millions of dollars during a time when she would be "one of the most photographed women in the world."... ....

photo: AP / Cliff Owen

Russia Warns Other States Against Interfering in South China Sea Dispute - Envoy

Edit Sputnik 08 Feb 2017

Russia avoids interfering in the territorial dispute around the South China Sea and is warning other states against doing so as such intervention could result in a negative effect, Russian Ambassador to China Andrey Denisov said ... ....

photo: AP / Andy Wong

Sunlights cast shadow on the unearthed terracotta warriors displaying at the excavation site inside the No.1 pit of the Museum of Qin Terracotta Warriors and Horses in Xi'an, in central China's Shaanxi province Tuesday, July 30, 2013. Thousands of terracotta soldiers that were buried in the tomb of the Emperor Qin Shihuangdi, who ruled China between 221-210 B.C., are displayed in Xi'an. (AP Photo/Andy Wong)

Newly Discovered Tomb Of Ancient Chinese General And Princess Filled With Figurines

Edit WorldNews.com 07 Feb 2017

The inscription says (in translation), “On the 20th day of the second moon of the third year of the Heqing period [a date researchers said corresponds to March 18, 564], they were buried together.”Zhao Xin served the rulers of the Northern Qi dynasty, which controlled part of northern China from 550 to 577 ... WN.com, Jim Berrie ....

photo: UN / Rick Bajornas

File - Mohammed Fuad Masum (front left), President of Iraq, with Hassan Rouhani (front right), President of the Islamic Republic of Iran, during the UN Climate Summit 2014, 23 September, 2014.

[VIDEO]: Iran Removes New Missile From Tehran-Area Launch Pad

Edit WorldNews.com 07 Feb 2017

While U.S. and Iranian officials trade charges and countercharges over the Islamic Republic’s missile tests, Fox News is reporting Iran has removed a powerful missile from a launchpad east of Tehran. The Pentagon is concerned because Safir missiles use the same components as those needed for an intercontinental ballistic missile, the report said. Iran’s ballistic program has “expanded dramatically” in the past 10 years, a senior U.S ... 31....

photo: AP / Jack Brockway/Virgin.com

In this recent but undated photo made available by Virgin.com, former U.S President Barack Obama, jokes with Richard Branson, founder of the Virgin Group, during his stay on Moskito Island, British Virgin Islands

Barack Obama goes kitesurfing with Richard Branson

Edit BBC News 07 Feb 2017

The former US president Barack Obama has enjoyed a spot of kitesurfing with Richard Branson ... ....

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Why the Earth's magnetic poles could be about to swap places

Edit SpaceDaily 08 Feb 2017

Leeds, UK (SPX) Feb 07, 2017. The Earth's magnetic field surrounds our planet like an invisible force field - protecting life from harmful solar radiation by deflecting charged particles away. Far from being constant, this field is continuously changing. Indeed, our planet's history includes at least several hundred global magnetic reversals, where north and south magnetic poles swap places. So when's the next one happening ... ....

STOP SPRAYING OUR SKIES / ITS OUR EARTH TOO

Edit The Petition Site 08 Feb 2017

WE ARE CHILDREN OF EARTH,WE DEMAND TO SEE NIBIRU PASSING. ....

Delhi school-goers to click Earth's images with NASA's astronauts

Edit The Economic Times 08 Feb 2017

New Delhi, Feb 7 (IANS) As part of an international educational programme of NASA, nearly 800 students from across 65 schools in New Delhi and Punjab will get a chance of imaging the Earth from a unique perspective of space ... ....

Martin Valenti: We must work together to thrive on our Earth

Edit Scotsman 08 Feb 2017

It’s a truism to say we live in interesting times. The pace of change – in communications, technology, globalisation, geopolitics – is faster and greater than ever, and represents challenges and opportunities. But if there's one constant, it is this small, blue planet on which we live. Planet Earth provides everything we need to thrive – but we use many times more resources than it can sustain ... ....

The most dangerous square mile on Earth: Graphic video shown to court demonstrates the 'unimaginable stress' on the battlefield when Sgt Blackman shot an injured Afghan fighter in the chest

Edit This is Money 08 Feb 2017

The conditions which Sgt Blackman (pictured) faced when he shot an injured Afghan fighter were a 'breeding ground' for mental health problems, his appeal heard ... The marines could not tell the locals apart from the Taliban and the area was described as 'the most dangerous square mile on Earth.' ... Outside their base they were also constantly threatened by death or life changing injury by IEDs ... Scroll down for video ... ....

The Flash Season 3 episode 13 spoilers: Barry and team travel to Earth-2 and encounter Grodd

Edit International Business Times 08 Feb 2017

Grodd will be featured in two episodes and viewers will also meet Solovar, the leader of Gorilla City ... ....

Reducing food waste is good for the Earth — and your wallet

Edit Omaha World-Herald 08 Feb 2017

“Getting food from the farm to our fork eats up 10 percent of the total U.S. energy budget, uses 50 percent of U.S. land and swallows 80 percent of all freshwater consumed in the United States. Yet 40 percent of… ... ....

Priest River checkerboard forestry vivid in NASA photo

Edit The Spokesman-Review 08 Feb 2017

"An astronaut aboard the International Space Station observed this distinctive checkerboard pattern alongside the Priest River in northern Idaho," says NASA's Earth Observatory blog ... Here's the Google Earth satellite image of the same landscape (without snow). ... Additional images taken by astronauts and cosmonauts can be viewed at the NASA/JSC Gateway to Astronaut Photography of Earth....

Japan's Ambitious Space Junk Experiment Ends in Failure

Edit Yahoo Daily News 08 Feb 2017

Earth orbit is a mess ... En route back to Earth, the unmanned vessel was to deploy a 700-meter cable (that's nearly half a mile) made of aluminum and stainless steel ... The idea was that the current would interact with the Earth's magnetic field, creating a drag that pulled the spacecraft out of orbit ... by the time it returned to Earth's atmosphere today....

Weapons in Space

Edit SpaceDaily 08 Feb 2017

Bethesda MD (SPX) Feb 07, 2017. The issue of placing weapons in orbit about the Earth continues to be of increasing concern to the U.S. and other nations. Discussions of militarizing space have been ongoing since the first artificial satellite was launched in 1957. By definition, space militarization is the placement and development of weapons and military technology in Earth orbits. Although ballistic missiles do transi ... ....

Wynn At $97: Eyes On The Stars, Feet On The Ground

Edit Seeking Alpha 08 Feb 2017

(NASDAQ.WYNN) is beginning to resemble those proponents of the flat earth theory. In the centuries before Columbus' voyages, they drew maps of the earth as a platform on either end of which was a sea seething with monsters and dragons into which mariners would fall if they dared board a ship that sailed too far off shore ... But along with these reasonable caveats, we have the flat earth theorists opining....

Astronomy: First white dwarf pulsar discovered

Edit The Times of India 08 Feb 2017

Astronomers have identified an elusive white dwarf pulsar- the first of its kind to be discovered in the universe- housed in an exotic binary star system 380 light years away from Earth ... AR Sco lies in the constellation Scorpius, 380 light years from Earth, a close neighbour in astronomical terms. The white dwarf in AR Sco is the size of Earth but ......

Okinawan gelato wins 2nd prize at worldwide fair

Edit Japan Update 08 Feb 2017

21-25 in Rimini, Italy,. He is the first Japanese to win the prestigious honor ... Yonemori’s gelato was named a “Scent of the Earth” that is his creation mixed with beets, mint leaves, rosemary, and lemon, all grown on Okinawa ... The “Scent of the Earth” started to go on sale at the four stores of “La Vous” from Feb. 3 sequentially. ....

Earth

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Comparison

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See also

Planet

Galaxy

National Geographic The Story of Earth HD

10 Things You Never Knew About The Earth

11 Things You Never Knew About The Earth

10 Strangest Discoveries Found on Earth

Naked Science - Birth of the Earth

Get Shocked To See How Small Our Earth Is ?

(HD) What if the Earth STOPS Spinning- (Full Documentary)

K-391 - Earth [NCS Release]

One Year on Earth – Seen From 1 Million Miles

Google Knows The Earth Is Flat - Just Ask Google Yourself!

'Earth' is featured as a movie character in the following productions:

Bon Appétit (2011)

Fung wan II (2009)

Solitudo (2008)

Rak haeng Siam (2007)

M51 & Gizmo (2007)

Quotes:

Tonight Only (2007)

Den gode strømer (2004)

Maguma taishi (1993)

Maguma taishi (1993)

Da nao tian gong (1965)

Earth

ALBUMS

Earth

ALBUMS

Earth

ALBUMS

Urður Hákonardóttir

ALBUMS

EARTH

ALBUMS

National Geographic The Story of Earth HD

10 Things You Never Knew About The Earth

11 Things You Never Knew About The Earth

10 Strangest Discoveries Found on Earth

Naked Science - Birth of the Earth

Get Shocked To See How Small Our Earth Is ?

(HD) What if the Earth STOPS Spinning- (Full Documentary)

K-391 - Earth [NCS Release]

One Year on Earth – Seen From 1 Million Miles

Google Knows The Earth Is Flat - Just Ask Google Yourself!

National Geographic The Story of Earth HD

10 Things You Never Knew About The Earth

11 Things You Never Knew About The Earth

10 Strangest Discoveries Found on Earth

Naked Science - Birth of the Earth

Get Shocked To See How Small Our Earth Is ?

(HD) What if the Earth STOPS Spinning- (Full Documentary)

K-391 - Earth [NCS Release]

One Year on Earth – Seen From 1 Million Miles

Google Knows The Earth Is Flat - Just Ask Google Yourself!

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