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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10:28
Blastoff! Russian Soyuz rocket launches 38 satellites on rideshare mission
Added 237 Views / 0 LikesA Soyuz-2.1a rocket launched 38 satellites on March 22, 2021 from the Baikonur Cosmodrome in Kazakhstan. Satellites included South Korea's CAS500 1 Earth-imaging satellite, United Arab Emirates' DMSat-1 and more.Credit: Roscosmos
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01:37
See a helicopter on Mars for first time! Perseverance drops Ingenuity’s cover
Added 224 Views / 0 LikesThe Ingenuity helicopter’s protective covering was dropped to the surface of Mars by the Perseverance rover on March 21, 2021 (Sol 30). Credit: Space.com | imagery & audio: NASA/JPL-Caltech | produced & edited by Steve Spaleta (http://www.twitter.com/stev
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08:22
What Will happen this year? World Peace? new Status Quo? SUPERDOOM? Asteroid Fight Club 2021:
Added 206 Views / 0 LikesWARNING: I am officially on spring break for a week. so i made the video i wanted to make. you may not like it. because i didn't sugar coat much. Now, let's have a great year and work together for a better world.'Better than it's been' song by TV's Daniel
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01:04
Comet's Jupiter impact used to clock 900 MPH stratospheric winds
Added 220 Views / 0 LikesBy analyzing the aftermath of Comet Shoemaker–Levy 9's impact, researchers have "been able to reveal incredibly powerful stratospheric winds" at Jupiter's south polar region, according to the European Southern Observatory. Credit: Space.com | animations /
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09:26
WARNING! March 23rd-March 26th will probably be the Worst Days of the Month. Expect Trouble.
Added 239 Views / 0 LikesI've discussed this time period for a few months now and we are almost there. plus, i will probably be out of pocket during this time period.Stay aware & Stay cool.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/
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01:31
Big asteroid 2001 FO32 captured ahead of Earth flyby
Added 299 Views / 0 LikesGianluca Masi from the Virtual Telescope Project captured imagery of asteroid 2001 FO32 on March 19, 2021. It will fly by Earth at a distance of 1.25 million miles away (2 million km) on March 21. Full Story: https://www.space.com/big-asteroid-2001-fo32-e
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04:31
Tsunami Alert! 7.2 Earthquake Japan & Geomagnetic Storm & Iceland Volcano Eruption
Added 270 Views / 0 LikesAries season has begun.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
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10:35
Iceland Volcano Erupts! Mt. Etna erupts. Again! Incoming Geomagnetic Storm! More Storms Monday!
Added 282 Views / 0 Likesafter 20,000 to 50,000 earthquakes in a short period, Fagradalsfjall volcano erupted in Iceland.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://w
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02:48
Soyuz spacecraft swaps space station docking ports - See the highlights
Added 191 Views / 0 LikesNASA Astronaut Kate Rubins and Russian cosmonauts Sergey Ryzhikov and Sergey Kud-Sverchkov moved the Soyuz MS-17 spacecraft from the Earth-facing port of the space station’s Rassvet module to the space-facing Poisk port. Credit: Space.com | footage courte
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17:33
Space Chat! We trash-talk space junk.
Added 257 Views / 0 LikesIt's a hard pill to swallow but Earth is kinda trashy. This week, Space.com senior writer Chelsea Gohd will be discussing and answering questions about "space junk," or discarded or defunct materials orbiting around our planet as recently, the Internation
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03:52
Flashback! Space Shuttle Columbia launches with congressman Bill Nelson
Added 221 Views / 0 LikesThe Space Shuttle Columbia's STS-61-C mission launched on Jan. 12, 1986 with Robert L. Gibson, Charles F. Bolden, George D. Nelson, Steven A. Hawley, Franklin R. Chang-Diaz, Robert J. Cenker, Clarence and sitting congressman at the time Clarence W. "Bill"
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03:32
Space to Ground: Tournament Earth: 03/19/2021
Added 139 Views / 0 LikesNASA's Space to Ground is your weekly update on what's happening aboard the International Space Station. Got a question or comment? Use #AskNASA to talk to us.To vote for your favorite photos in Tournament Earth 2021:https://earthobservatory.nasa.gov/teL
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06:24
Latest Perseverance Mars pics & audio, asteroid flyby, and more! VFS Weekly Highlights
Added 190 Views / 0 LikesNASA’s Perseverance rover dropped its belly pan, saw a dust devil and recorded audio of its travels on the Red Planet. Asteroid 2021 EQ made a close flyby of Earth. Also, China launched its latest batch of Yaogan-31 reconnaissance satellites. Related stor
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09:00
Hot fire! NASA SLS megarocket's core stage tested for over 8 minutes
Added 189 Views / 0 LikesNASA test-fired the core stage of the Space Launch System rocket on March 18, 2021 at NASA's Stennis Space Center in Mississippi. The test lasted 499 seconds. Credit: NASA
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15:44
Red Alert! Tornadoes in South Carolina & a Stormy day ahead! + me talking about Vacation
Added 198 Views / 0 LikesY'ALL ARE VERY COOL.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornewsspacecowboy2017@gmail.com
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01:10
Spiral galaxy Messier 106 in amazing view snapped by Mayall Telescope
Added 225 Views / 0 LikesThe Nicholas U. Mayall 4-meter Telescope at the Kitt Peak National Observatory was used to capture spiral galaxy Messier 106. The galaxy is a 'popular target for amateur astronomers' according to NSF’s NOIRLab (National Optical-Infrared Astronomy Research
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16:28
Hear Perseverance drive! Raw and unfiltered from Mars
Added 234 Views / 0 LikesPerseverance captured audio while driving on the surface of Mars' Jezero Crater on Sol 16. The raw and unfiltered recording has been combined here with imagery captured on the same sol. Full Story: https://www.space.com/perseverance-rover-sounds-driving-m
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09:07
Lots of Giant Tornadoes in the South USA & a very DOOMY volcano Eruption in Central America
Added 288 Views / 0 LikesI knew today was going to be very bad but it feels even worse than I expected. Stay Weather aware as this is a 40 storm that will move into Georgia and North Carolina tomorrow.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://ww
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01:31
Sounds of driving on Mars! Perseverance makes first-ever recording
Added 224 Views / 0 LikesPerseverance captured audio while driving on the surface of Mars' Jezero Crater on Sol 16. The recording has been combined here with imagery from the same sol. Credit: Space.com | imagery & audio: NASA/JPL-Caltech | produced & edited by Steve Spaleta (htt