Outer Space & Universe
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)
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08:01
Louisiana prepare for Hurricane Delta impact! TEXAS watch for October Surprise! Galveston & Houston
Added 256 Views / 0 LikesI don't trust Hurricane Delta.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
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COTS Intro Video Feb 2009
Added 255 Views / 0 LikesNASA Commercial Crew & Cargo Program Commercial Orbital Transportation Services Project
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See Perseverance and Ingenuity helicopter together on Mars in stunning mosaic
Added 255 Views / 0 LikesSeán Doran created this mosaic of Perseverance and the Ingenuity helicopter together using 62 images captured by the rover on its 46th Martian sol. See more of Seán's amazing work on Twitter: @_TheSeaning (https://twitter.com/_TheSeaning) and Youtube (htt
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Jerry. Karen. Lorenzo.. Hurricane Seaon update: No one knows WTF is going to happen.
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ASTEROID FIGHT CLUB: Land Mines & 300 Dead Koalas
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Civilization is on the Brink! So please Turn On Your Christmas Lights!
Added 255 Views / 0 LikesThis one is straight from the heart.God bless everyone,T Eric Lewison5430 Birdwood Rd. #416 Houston, Texas 77096
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06:47
Hubble at 30! New and favorites images explained by astrophysicist
Added 255 Views / 0 LikesSpace Telescope Science Institute astrophysicist Elena Sabbi talks to Space.com's Chelsea Gohd about the amazing new Hubble image released for the space telescope's 30th anniversary. Story: Hubble captures a 'Cosmic Reef' in stunning 30th anniversary imag
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SpaceX Crew-1 undocks from space station for return to Earth
Added 255 Views / 0 LikesSpaceX Crew Dragon Resilience undocked from the International Space Station on May 1, 2021 carrying Crew-1 astronauts Victor glover, Shannon Walker, Michael Hopkins and Soichi Noguchi. They are scheduled to splashdown off the coast of Florida on Sunday (M
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WTF President Trump just said he is taking hydroxychloroquine & Texas announces it is ready to Open.
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Alert! Tropical Storm Eduardo! Invest 98L & a new Area to Watch!
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09:04
Red Alert! Major USA Double Hurricane Event possible September 22ish. North East & Gulf Coast
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Tropical Storm Beta! Hurricane Teddy! Volcano eruptions in Guatemala & Ecuador! Space Stuff!
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Hurricane Delta is a major category 3 Hurricane & still strengthening. Cat 4 is possible.
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Perseverance delivers new Mars surface pics, including rocks in wheel!
Added 255 Views / 0 LikesMore imagery from the Perseverance rover on Mars has been released by NASA. See a pair of hazcam images, colorized by combining RGB channels, and a photo of Percy's wheel. -- NASA's Mars 2020 Perseverance rover mission: Live updates: https://www.space.com
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OTD in Space – June 19: Vostok 5 & Vostok 6 Return to Earth
Added 254 Views / 0 LikesOn June 19, 1963, two Soviet spacecraft named Vostok 5 and Vostok 6 returned to Earth, ending a historic joint mission. Vostok 6 was carrying cosmonaut Valentina Tereshkova, who became the first woman in space during this mission. In the other capsule was
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Earth directed Solar Storm! 3 Sunspots! 6 C-class solar flares! Big Storms Fri Sat Sun & Volcanoes
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THORnews TShirt Sale & Give Away (Performance Art. Tips Appreciated)
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08:22
JUST IN: White House officials are being asked to wear masks in West Wing!
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