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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04:51
Artemis 1 blastoff 'blows doors' off launch pad elevators - See the aftermath
Added 133 Views / 0 LikesThe pressure generated by the launch of the "world's most powerful rocket" at Kennedy Space CEnter's Launch Complex 39B literally blew the doors off of the pad's elevators, according to NASA's Artemis mission manager Mike Sarrafin. See the damage and more
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ARABSAT BADR-8 Mission Control Audio
Added 133 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/
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03:25
Double Trouble Hurricane Watch? + News
Added 133 Views / 0 Likesyo.Pray for Peaceand stay cool.God bless everyone,Thttps://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
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Starlink Mission Control Audio
Added 133 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/
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Starlink Mission Control Audio
Added 133 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/
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Starlink Mission
Added 133 Views / 0 LikesSpaceX is targeting Thursday, August 10 at 9:55 p.m. ET (1:55 UTC on August 11) for a Falcon 9 launch of 22 Starlink satellites to low-Earth orbit from Space Launch Complex 40 (SLC-40) at Cape Canaveral Space Force Station in Florida. If needed, four addi
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01:37
Neptune's clouds are vanishing, Hubble Space Telescope reveals
Added 133 Views / 0 LikesHubble Space Telescope imagery of Neptune has revealed that the planet's clouds are disappearing and the Sun may be to blame: https://www.space.com/neptune-clouds-vanish-solar-activity-responsibleCredit: NASA Goddard Space Flight Center
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Starlink Mission
Added 133 Views / 0 LikesSpaceX is targeting Saturday, August 26 at 9:05 p.m. ET (01:05 UTC on August 27) for a Falcon 9 launch of 22 Starlink satellites to low-Earth orbit from Space Launch Complex 40 (SLC-40) at Cape Canaveral Space Force Base in Florida. If needed, there are c
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01:46
Mars Perseverance rover watches Ingenuity helicopter zoom above Red Planet in real time
Added 133 Views / 0 LikesMars Ingenuity helicopter's 59th flight was captured by the Perseverance rover's Left Mastcam-Z camera on Sept. 16, 2023. Credit: Credit: Space.com | footage courtesy: NASA/JPL-Caltech/ASU | edited by [Steve Spaleta](https://twitter.com/stevespaleta)
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00:55
See a massive galaxy cluster evolve in amazing simulation
Added 133 Views / 0 LikesEvolution of the most massive galaxy cluster in a high-resolution simulation of the universe. The main frame shows the gas density (brightness) and temperature (hue), with white indicating the hottest and densest gas in the intra-cluster medium. The zoom
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02:55
Space to Ground: For Everything, There is a First Time: Nov. 22, 2023
Added 133 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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02:18
Happy Thanksgiving from Space! NASA, ESA and JAXA astronauts send well wishes
Added 133 Views / 0 LikesThe crew aboard the International Space Station deliver their annual Thanksgiving message from space.Credit: NASA
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13:36
Soyuz rocket launches Progress 86 to space station with almost 3 tons of cargo
Added 133 Views / 0 LikesA Russian Soyuz rocket launched an uncrewed Progress 86 freighter toward the International Space Station (ISS) from the Baikonur Cosmodrome in Kazakhstan on Dec. 1, 2023. Full Story: https://www.space.com/russian-progress-86-spacecraft-international-space
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01:01
See a dreidel spin on space station in Hannukah greetings from astronaut
Added 133 Views / 0 LikesNASA astronaut Jasmin Moghbeli wishes everyone a Happy Hannukah with a dreidel and menorah on the International Space Station. Credit: NASA / Jasmin Moghbeli
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00:30
Pan of Star Cluster IC 348 (NIRCam image)
Added 133 Views / 0 LikesThis image from the NIRCam (Near-Infrared Camera) instrument on the NASA/ESA/CSA James Webb Space Telescope shows the central portion of the star cluster IC 348. Astronomers combed the cluster in search of tiny, free-floating brown dwarfs: objects too sma
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02:41
Space to Ground: In The Holiday Spirit: Dec. 15, 2023
Added 133 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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09:41
Cygnus cargo spacecraft undocks from ISS with fire experiment
Added 133 Views / 0 LikesThe Northrop Grumman NG-19 Cygnus spacecraft undocked from the International Space Station on Dec. 22, 2023. Cynus is carrying Spacecraft Fire Experiments (Saffire) to be conducted prior to being destroyed during re-entry. Full Story: https://www.space.co
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03:40
NASA's Johnson Space Center in 2023 - See the highlights
Added 133 Views / 0 LikesNASA's Johnson Space Center in Houston had a busy year in 2023. See the highlights here. Credit: NASA's Johnson Space Center
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01:08
X5 flare! Sun bids farewell to 2023 will massive blast
Added 133 Views / 0 LikesThe sun erupted with an X5-class solar flare on Dec. 31, 2023. NASA Solar Dynamics Observatory captured the fireworks in multiple wavelengths. Credit: Space.com | footage courtesy: NASA/SDO/Helioviewer.org | edited by [Steve Spaleta](https://twitter.com/s
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01:03
China's Kuaizhou 1A rocket launches four Tianmu-1 satellites
Added 133 Views / 0 LikesChina's Kuaizhou-1A rocket launched four Tianmu-1 meteorological constellation satellites from Jiuquan Satellite Launch Center on Jan. 5, 2024. Credit: Space.com | footage courtesy: China Central Television (CCTV) | edited by [Steve Spaleta](https://twitt