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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01:03
Large trash bag jettisoned from Space Station using 'new capability'
Added 181 Views / 0 LikesESA astronaut Samantha Cristoforetti delivered video of a new technique of disposing of trash on the International Space Station. The "big trash bag was jettisoned from a depressurized airlock on the station & it burned up harmlessly in the Earth's atmosp
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05:38
Perseverance snaps pics and China 'parks' at Mars in VFS Weekly highlights
Added 335 Views / 0 LikesVideos featured: Perseverance captures new imagery of Mars, sees Jezero crater's rim in a 360° panorama, and snapped imagery of the sky crane crash plume. Also, China launched a trio of reconnaissance satellites and entered Mars parking orbit with their T
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00:59
Robotic Bees Designed to Explore Mars
Added 384 Views / 0 LikesBee-lieve it or not NASA could send a swarm of robot bees to the Red Planet. Researchers are taking inspiration from the insect world to develop Marsbee, a bold new idea that could enhance the exploration of Mars.NASA 360 takes a look at the NASA Innovati
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04:14
'Albert Einstein' Spacecraft Undocks From Space Station | Video
Added 706 Views / 0 LikesESA's Automated Transfer Vehicle (ATV-4) undocked front he ISS on October 28th, 2013. It delivered food and supplies the station. It will be de-orbited on Nov. 2 and destroyed upon re-entry over the Pacific Ocean.
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24:20
Catastrophic Mid-West USA Flooding, Depopulation Plans, the Media & Politicians
Added 390 Views / 0 Likesthe battle for the future is now.God bless everyone,Thttps://www.paypal.me/THORnews
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00:11
Time-lapse: Evolution of R Aquarii (2014 to 2023)
Added 64 Views / 0 LikesThis video features five frames spanning from 2014 to 2023 of R Aquarii, a symbiotic binary star that lies only roughly 1,000 light-years from Earth in the constellation Aquarius. This is a type of binary star system consisting of a white dwarf and a red
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00:56
OTD in Space – April 25: STS-31 Deploys Hubble Space Telescope
Added 491 Views / 0 LikesOn April 25, 1990, the Hubble Space Telescope was deployed! Hubble is famous for taking some of the most amazing deep-space photos ever. It hitched a ride to space on the space shuttle Discovery with mission STS-31. Also on board were astronauts Charles B
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Intelsat G-37 Mission
Added 114 Views / 0 LikesSpaceX is targeting Thursday, August 3 for Falcon 9’s launch of the Intelsat G-37 mission to a geosynchronous transfer orbit from Space Launch Complex 40 (SLC-40) at Cape Canaveral Space Force Station in Florida. The two-hour launch window opens at 12:15
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04:29
Eyes On Extreme Weather - New GOES-S Satellite to Join Constellation
Added 525 Views / 0 LikesNOAA’s Geostationary Operational Environmental Satellite (GOES-S) will be the second satellite launched in the the GOES-R series. NOAA's Matt Seybold explains how it will monitor extreme weather to Space.com's Sarah Lewin.Credit: Space.com / NASA Goddard
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03:16
Space to Ground: Flying Turtles: 09/23/2022
Added 149 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.Learn more about the important research being operated on Station:https://www.nasa.gov/iss-scien
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04:12
SpaceX Crew-1 spacecraft to change docking ports for Crew-2 arrival
Added 295 Views / 0 LikesSpaceX Crew-1 spacecraft will need to move to another International Space Station docking port to make way for the the arrival of the Crew-2 spacecraft. -- SpaceX is ready to launch more astronauts with Crew-2 mission: https://www.space.com/spacex-crew-2-
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01:41
RIP Comet ISON? Icy Visitor Missing After Sun Flyby | Video
Added 827 Views / 0 LikesThe comet has most likely disintegrated under the high heat and gravitational stress of the Sun on Nov. 28, 2013. It is not visible in Solar Dynamics Observatory footage and NASA scientists confirmed that they do not see it. All things ISON here: http://g
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01:09
‘Sit’ in the Position of Milky Way’s Supermassive Black Hole - Visualization
Added 502 Views / 0 LikesA new 3D visualization has been created of the center of the Milky Way Galaxy as viewed from the position of the black hole Sagittarius A*. -- Visit the Heart of the Milky Way in This 360-Degree, 4K Simulation: https://www.space.com/milky-way-heart-360-de
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10:18:28
China's Shenzhou 19 crew speaks at introduction event
Added 68 Views / 0 LikesChina's Long March 2F rocket is scheduled to launch the Shenzhou 19 crew to the Tiangong space station from the Jiuquan Satellite Launch Center on Oct. 29, 2024. Credit: China Central Television (CCTV)
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00:15
Word Bank: Optical Astronomy
Added 231 Views / 0 LikesMore information and download options: http://esahubble.org/videos/wordbank_optical-astronomy/Credit:NASA & ESA
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Starlink Mission Control Audio
Added 108 Views / 0 LikesThis is the vehicle trajectory and mission control audio without any additional commentary. There may be very long periods of silence. For our full hosted webcast, visit https://www.spacex.com/launches/
