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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Total Solar Eclipse 2021 - See moment of totality in 4K!
Added 162 Views / 0 LikesSee the moment of totality over Union Glacier, Antarctica during the solar eclipse that occurred on Dec. 4, 2021. -- The only total solar eclipse of 2021 creates dazzling sight over Antarctica: https://www.space.com/total-solar-eclipse-2021-over-antarctic
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Total Solar Eclipse 2024 at Rockland Astronomy Club - Joe Rao lecture
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Total Solar Eclipse 2024 explained! Date, maps, times and more
Added 37 Views / 0 LikesThe United States, Mexico and Canada will experience a total solar eclipse on April 8, 2024. Space.com's Brett Tingley explains what you can expect. Total solar eclipse 2024: Everything you need to know: https://www.space.com/41552-total-solar-eclipse-202
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Total Solar Eclipse in April 2024! See the path of totality in amazing visualizations
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TOTAL TWITTER DOOM*!
Added 145 Views / 0 Likesyou are great.God bless everyone,Thttps://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
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Totality! Solar Eclipse reaches peak over Antarctica
Added 140 Views / 0 LikesSee the moment of totality over Union Glacier, Antarctica during the solar eclipse that occurred on Dec. 4, 2021. -- Solar eclipse stages explained: https://www.space.com/total-solar-eclipse-2021-stages-explainedCredit: Theo Boris/Christian Lockwood /JM P
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Touchdown! Blue Origin Rocket Lands After Launching Capsule | Video
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Touchdown! Blue Origin's New Shepard Capsule Lands - NS-12 Mission
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Touchdown! Boeing Starliner lands in New Mexico after historic flight
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Touchdown! Boeing's Starliner Lands in New Mexico
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Touchdown! China's Shenzhou 16 crew lands back on Earth after 5 months on Tiangong space station
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Added 16 Views / 0 LikesChinese astronauts Tang Hongbo, Tang Shengjie and Jiang Xinlin touched down in north China's Inner Mongolia Autonomous Region on April 30, 2024. The Shenzhou 17 crew spent 6 months working on the Tiangong space station.Credit: Space.com | footage courtesy
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Touchdown! Chinese astronauts back on Earth after country's longest crewed mission
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Touchdown! India's Chandrayaan-3 lands on moon's south pole, 1st country to do so
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Touchdown! InSight Lands on Mars, Mission Control Erupts
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Touchdown! Leaky Soyuz MS-22 spacecraft lands in Kazakhstan
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