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Outer Space & Universe

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Outer Space & Universe

Space, also known as outer space, is the near-vacuum between celestial bodies. It is where everything (all of the planets, stars, galaxies and other objects) is found.

On Earth, space begins at the Kármán line (100 km above sea level). This is where Earth's atmosphere is said to stop and outer space begins. This is not a firm boundary but is a convention used by scientists and diplomats.

Items in space are free to move back and forth; up and down; and left and right. These three dimensions are what make 3D space. Items also move forward through time, which is sometimes called the fourth dimension.

The majority of space contains very little matter and so most of it is a vacuum. Scientists do not know how big space is but we do know that space is extremely big, and is always expanding.

According to the big bang theory, all matter and energy in the Universe was compressed into a very small space. Then it exploded and started expanding. Space is still growing in size today; this means the distance from one galaxy to distant galaxies is getting longer.

Gravity is the force that keeps the Moon in orbit around the Earth and the planets in orbit around the Sun. Gravity can stretch and bend space similar to how a heavy ball placed on a stretched sheet of rubber will cause the rubber to stretch. The scientist who discovered that space can bend is named Albert Einstein. How gravity bends space is part of his theory of general relativity.

Astronauts, Cosmonauts, Taikonauts and Spationauts

An astronaut is any person who is trained by NASA to travel and perform tasks in space. Although the space traveler may not necessarily be a United States citizen, each astronaut does go through a rigorous training regiment by the National Aeronautics and Space Administration. Other space travelers go by other names then astronaut depending on their country of origin.

In the United States, astronaut is derived from the Greek words ástron (star) and nautis (sailor). While, in Russia, a space traveler goes by the name космонавт (English: cosmonaut), which is derived from the Greek words kosmos (universe) and nautis (sailor). Westerners call a space traveler from China a taikonaut, based on the 1998 writings of Chiew Lee Yik and Chen Lan where the term tàikōng (great emptiness), Chinese for “space”. In China, the term yuháng yuán (universe navigator) is used for space traveler.

Only the United States of America (United States), Russia (earlier, the Union of Soviet Socialist Republics), and the People’s Republic of China (China) have sent manned spacecraft into space. Other countries have assisted these countries by sending their own space travelers on space missions. For instance, a French space traveler is called a spationaut (from the French word spationaute), which is derived from the Latin spatium (space) and Greek nautis (sailor). (plural in Greek nautes = sailors)

 

  • 01:46 Microbes Study on Space Station for Future Biomining on the Moon, Mars

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    by admin Added 11 Views / 0 Likes

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  • 03:46 The Sun Colors.

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    by admin Added 11 Views / 0 Likes

    Purple & blue.

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    Very offensive Global Economy Update: It's really F*CKED.

    by admin Added 10 Views / 0 Likes

    (WARNING: IF you believe President Trump when he says that the economy is great and has never been better, this is not the video for you.) also, warning, cuz this might be the worst THORnews video. ever.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HO

  • 06:51 ALERT! DANGER! Late August HURRICANE WATCH TEXAS FLORIDA & GOM

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    by admin Added 14 Views / 0 Likes

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  • 00:54 Comet 67P's 'Churymoon' Spotted in ESA Rosetta Pics

    Comet 67P's 'Churymoon' Spotted in ESA Rosetta Pics

    by admin Added 15 Views / 0 Likes

    Astrophotographer Jacint Roger spotted an object, that has been nicknamed "Churymoon," orbiting comet 67P/Churyumov-Gerasimenko while mining ESA Rosetta pics. -- Meet Churymoon!: https://www.space.com/churymoon-tiny-comet-67p-moon-rosetta-photos.htmlCredi

  • 01:09 Black Hole Cloaked In Gas and Dust Studied by Chandra X-Ray Observatory

    Black Hole Cloaked In Gas and Dust Studied by Chandra X-Ray Observatory

    by admin Added 11 Views / 0 Likes

    A black hole, called PSO167-13, is "cloaked in thick clouds of gas and dust," according NASA. The Chandra X-ray Observatory has been used to explore it: https://www.space.com/cloaked-black-hole-discovered-in-early-universe.htmlCredit: NASA/CXC/A. Hobart

  • 00:42 See the Solar Wind Blast Away From Sun in NASA Animation

    See the Solar Wind Blast Away From Sun in NASA Animation

    by admin Added 17 Views / 0 Likes

    See the constant stream of plasma and particles, known as solar wind, emanating from the Sun in this animation. -- What is Solar Wind?: https://www.space.com/22215-solar-wind.htmlCredit: NASA GSFC/CIL/Krystofer Kim/mash mix: Space.com

  • 00:42 Solar Wind Blasting Away From Sun in NASA Animation

    Solar Wind Blasting Away From Sun in NASA Animation

    by admin Added 16 Views / 0 Likes

    See the constant stream of plasma and particles, known as solar wind, emanating from the Sun in this animation. -- What is Solar Wind?: https://www.space.com/22215-solar-wind.htmlCredit: NASA GSFC/CIL/Krystofer Kim

  • 16:20 DANGER! GULF HURRICANES? WTF! August 20th+ Asteroid Fight Club version

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    by admin Added 15 Views / 0 Likes

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  • 01:08 Cancer to Leo Season: By Jove! CONGRATULATIONS, You survived.

    Cancer to Leo Season: By Jove! CONGRATULATIONS, You survived.

    by admin Added 10 Views / 0 Likes

    this is a rough preview .I am proud of you.God is greatand you are Awesome.Asteroid Fight ClubJupiter is Direct.Stay Cool.God bless everyone,T

  • 00:28 The 2019 Perseid Meteor Shower

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    by admin Added 16 Views / 0 Likes

    It's time for the Perseid meteor shower! Head outside after sunset on August 12, 2019 to catch the peak of some spectacular celestial fireworks.Get the details ???? https://go.nasa.gov/31AsXqB

  • 12:51 Heatwave, Typhoons, Eurocane, Jupiter, Auroras, Hurricanes? & NLCs.

    Heatwave, Typhoons, Eurocane, Jupiter, Auroras, Hurricanes? & NLCs.

    by admin Added 22 Views / 0 Likes

    Good Morning Sunshine.You are cute.God Bless everyone.T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096HTTPS://WWW.PAYPAL.ME/THORNEWSwww.venmo.com/TEric-Lewison$THORnews on CashAppHttps://www.paypal.me/thornewshttps://www.patreon.com/thornews

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    by admin Added 11 Views / 0 Likes

    The August 23rd Hurricane has appeared in about 65% of the model runs since 1st appearing and the conditions are very possible for probable development. PLUS. the Models are flashing a 10 LOW Warning sign. which is new.God bless everyone,T LEWISON5430 BIR

  • 01:00 Large Object Slams Into Jupiter - Seen From Earth

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    by admin Added 26 Views / 0 Likes

    Astrophotographer Ethan Chappel (https://www.chappelastro.com) had the fortune of capturing a large object, likely an asteroid, slam into Jupiter on Aug. 7, 2019. -- See Jupiter Get Bashed in 2016: https://www.space.com/32411-jupiter-hit-by-comet-asteroid

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    by admin Added 12 Views / 0 Likes

    on fire & under fire, i am cool.Hang in there, kitty!With Mercury finishing off the last degrees of a very emotional Cancer season and going into Leo as Jupiter finally going direct also on the 11th, hang on and buckle up for the last 40 hours of these la

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    by admin Added 23 Views / 0 Likes

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    by admin Added 27 Views / 0 Likes

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    by admin Added 8 Views / 0 Likes

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  • 00:48 NASA Cubesat Mission Powered by Water - Animation

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    by admin Added 11 Views / 0 Likes

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  • 53:56 AMOS-17 MISSION

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    by shub Added 18 Views / 0 Likes

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