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: Down To The Earth's Core

Earth's Core Documentary

published: 07 Feb 2016

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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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Down To The Earth's Core HD)

published: 10 May 2013

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THE FLAT EARTH - BELOW THE EQUATOR

published: 11 Oct 2015

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Pinkpop 2016 - Walk off the Earth

published: 11 Jun 2016

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The Story Of Earth

published: 04 Nov 2012

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HOLLOW EARTH

published: 13 Aug 2016

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Earth Story Centre Of Earth

published: 29 Sep 2016

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

RARE EARTH - Ma...

Evacuate Earth...

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

THE FLAT EARTH - BELOW THE EQUATOR...

Pinkpop 2016 - Walk off the Earth...

The Story Of Earth...

HOLLOW EARTH...

Earth Story Centre Of Earth...

Lyrics list:

lyrics

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: AP / Carolyn Kaster

President-elect Donald Trump calls out to the media as he and Betsy DeVos pose for photographs at Trump National Golf Club Bedminster clubhouse in Bedminster, N.J., Saturday, Nov. 19, 2016.

Trump’s Top Education Pick May Spell End To State As Educator And Equalizer

Edit WorldNews.com 09 Dec 2016

Article by WN.com Correspondent Dallas DarlingIf “The philosophy of the school room in one generation will be the philosophy of government in the next,” as President Abraham Lincoln believed, some educational officials and teachers have a right to be alarmed over President-elect Donald Trump’s top pick for U.S. Secretary of Education ... Martin Luther King, Jr. maintained ... Reflections on Faith, Politics, Spirituality, History, and Peace....

photo: White House / Pete Souza

File - President Barack Obama's wave aligns with a rainbow as he boards Air Force One at Norman Manley International Airport prior to departure from Kingston, Jamaica, April 9, 2015.

Barack Obama says he 'absolutely' suffered racism while President

Edit The Independent 09 Dec 2016

NASA Saturn probe beams back first images from new orbit

Edit The Times of India 09 Dec 2016

WASHINGTON. NASA's Cassini spacecraft has sent its first views of Saturn's atmosphere to Earth since beginning the latest phase of its mission, showing scenes from high above the ringed planet's northern hemisphere including an intriguing hexagon-shaped jet stream. Cassini began its new mission phase, called Ring-Grazing Orbits on November 30 ... "This is it, the beginning of the end of our historic exploration of Saturn ... RELATED ... Comments....

photo: AP / Kevork Djansezian, File

Madonna and Michael Jackson go out for dinner together at a restaurant in Los Angeles. Madonna told CBS' James Corden in an appearance on

Kiss and Tell? Madonna makes Michael Jackson revelation

Edit The Himalayan 09 Dec 2016

NEW YORK. Madonna says she once made out with Michael Jackson after giving him a glass of chardonnay ... Madonna also described herself as “quite square” these days, saying she doesn’t drink, smoke or party ... ....

photo: Russian Presidential Press and Information Office

Deputy Secretary of the Security Council Rashid Nurgaliyev (left) and Chief of the General Staff of the Armed Forces and First Deputy Defence Minister Valery Gerasimov before a Security Council meeting

Obama Orders Review Of Russian Hacking During Presidential Campaign

Edit WorldNews.com 09 Dec 2016

The Washington Post reported Friday President Barack Obama has ordered a “full review” of Russian hacking during the November election, conceding to growing pressure from Congress for a greater understanding of exactly what Russia did to interfere in the electoral process ... Obama has demanded the report before he leaves office on Jan. 20, Monaco said.On Oct ... The hacking, he said, “could be Russia. It could be China....

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Boulder Brands, Inc. Voluntarily Recalls Earth Balance Vegan White Cheddar Mac & Cheese and Earth ...

Edit PR Newswire 09 Dec 2016

BOULDER, Colo., Dec. 8, 2016 /PRNewswire/ -- Boulder Brands, Inc. is voluntarily recalling Earth Balance Vegan White Cheddar Mac & Cheese and Earth Balance Vegan Cheddar Mac & Cheese. The products are being recalled as the health and safety of our consumers is our top priority ... ....

NASA to announce new findings on Earth, space science missions – Ceres, Earth’s flowing ice, ...

Edit Zeenews 09 Dec 2016

NASA will present new findings on a wide range of Earth and space science topics at the annual meeting of the American Geophysical Union which is being held from December 12-16 in San Francisco ... ....

This week’s Planet Earth 2 is going to be like no episode before

Edit The Independent 09 Dec 2016

Planet Earth has been breaking boundaries in a lot of ways this series, presenting unparalleled views and insights into the lives of animals and environments ... Planet Earth II....

Planet Earth 3 could be on the way: ‘It would be crazy to count it ...

Edit The Independent 09 Dec 2016

Planet Earth II has been nothing short of breathtaking, drawing huge audiences and pleasingly luring a lot of younger viewers away from The X Factor....

Fastest, Smallest, Brightest: Astronomers Study Outstanding Near Earth Asteroid

Edit Sputnik 09 Dec 2016

Using four Earth-based telescopes deploying four imaging technologies, astronomers have closely examined an interesting near-Earth asteroid (NEA), discovered one year ago ... ....

A Tiny Version Of Hell On Earth Exists In Cleveland, Ohio

Edit IFL Science 09 Dec 2016

Inside a windowless concrete room in Cleveland, Ohio, scientists have built a tiny version of Hell on Earth. Called the Glenn Extreme Environments Rig (GEER), the 14-ton steel chamber can faithfully recreate the toxic, choking, and scorching-hot conditions on the surface of Venus — a once-habitable twin of Earth gone very, very wrong ... "It's like Hell on Earth," Costa said....

The Sun Is Set To Expand 100 Times Over, Destroying All Life On Earth, Analysis Shows

Edit Huffington Post 09 Dec 2016

In the next five billion years, the sun will expand to one hundred times its current size, engulfing Mercury and Venus, and obliterating all life on Earth ... This will be about the size of the Earth, but much heavier ... Earth’s fate is still uncertain ... Scientists have now found a planet 300m kilometres from the star which could provide a glimpse into Earth’s future. ....

No jail for Nana: case discharged against Tina (Friends of the Earth Trust/Limited)

Edit Public Technologies 09 Dec 2016

(Source. Friends of the Earth Trust/Limited) ... Polly Steiner, Friends of the Earth North West campaigner, said. ... Friends of the Earth Trust/Limited published this content on 09 December 2016 and is solely responsible for the information contained herein ... (noodl. 36698204) ....

Northwestern creates $200,000 Nemmers prize in Earth Sciences (Northwestern University)

Edit Public Technologies 09 Dec 2016

EVANSTON - Northwestern University has created a $200,000 Nemmers Prize in Earth Sciences, the University announced today ... Candidacy for the 2018 Nemmers Prize in Earth Sciences is open to individuals who have made major contributions to new knowledge or the development of significant new modes of analysis and whose work is of lasting significance in Earth sciences....

John Glenn, former U.S. senator and first American astronaut to orbit the Earth, dies at 95

Edit Orange County Register 09 Dec 2016

John Glenn, who captured the nation’s attention in 1962 as the first American to orbit the Earth during a tense time when the United States sought supremacy over the Soviet Union in the space race, and who rocketed back into space 36 years later,... ....

New Zealand celebrates 15 years of Middle-earth

Edit Scoop 09 Dec 2016

To celebrate 15 years as the real Middle-earth, Tourism New Zealand has launched a new way to explore the country like a Hobbit, Elf, Dwarf or Wizard ... ....

John Glenn, first American to orbit the Earth and U.S. senator, dead at 95

Edit CBS News 09 Dec 2016

John Glenn died Thursday at the age of 95. The American icon was the first person from the U.S. to orbit earth. He also served in the U.S. Senate for 25 years, representing his home state of Ohio. Nancy Cordes reports on how he became a NASA pioneer ... ....

AP WAS THERE: John Glenn blasts off into orbit around Earth

Edit Lancaster Online 09 Dec 2016

John Glenn, who died Thursday at age 95, was lauded as a hero of the American space program on Feb. 20, 1962, when he became the nation's first astronaut to orbit the earth. The accomplishment galvanized Americans and evened up ... ....

Earth

Star

Comparison

Language

Mathematics

Computer science

Psychology

Other

See also

Planet

Galaxy

10 Things You Never Knew About The Earth

National Geographic The Story of Earth HD

Get Shocked To See How Small Our Earth Is ?

Naked Science - Birth of the Earth

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

K-391 - Earth [NCS Release]

Nasa | Earth From Space Live Feed 👽 Can You Spot Any UFO's?

24/7 STREAM: 👽🌎 "EARTH FROM SPACE" ♥ NASA #SpaceTalk (2016) ISS HDVR | Subscribe now!

One Year on Earth – Seen From 1 Million Miles

Video Replay: EARTH FROM SPACE - Gopro Video ISS Cosmonauts Carry Out SpaceWalk (2013)

'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

10 Things You Never Knew About The Earth

National Geographic The Story of Earth HD

Get Shocked To See How Small Our Earth Is ?

Naked Science - Birth of the Earth

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

K-391 - Earth [NCS Release]

Nasa | Earth From Space Live Feed 👽 Can You Spot Any UFO's?

24/7 STREAM: 👽🌎 "EARTH FROM SPACE" ♥ NASA #SpaceTalk (2016) ISS HDVR | Subscribe now!

One Year on Earth – Seen From 1 Million Miles

Video Replay: EARTH FROM SPACE - Gopro Video ISS Cosmonauts Carry Out SpaceWalk (2013)

10 Things You Never Knew About The Earth

National Geographic The Story of Earth HD

Get Shocked To See How Small Our Earth Is ?

Naked Science - Birth of the Earth

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

K-391 - Earth [NCS Release]

Nasa | Earth From Space Live Feed 👽 Can You Spot Any UFO's?

24/7 STREAM: 👽🌎 "EARTH FROM SPACE" ♥ NASA #SpaceTalk (2016) ISS HDVR | Subscribe now!

One Year on Earth – Seen From 1 Million Miles

Video Replay: EARTH FROM SPACE - Gopro Video ISS Cosmonauts Carry Out SpaceWalk (2013)

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This is Earth

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THE EARTH IS FLAT

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