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)
-
11:17
Supercool Saturn's Moon Titan! MegaGiant Sunspot! Solar Flare! BIG storm coming in 11 days!
Added 72 Views / 0 LikesHappy December, y'all.God bless everyone,Thttps://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
-
09:31
Virgin Orbit rocket suffers anomaly during air launch on first UK mission
Added 72 Views / 0 LikesVirgin Orbit's Cosmic Girl carrier plane deployed the "Start Me Up" mission's LauncherOne rocket for an air launch on Jan. 9, 2022. The rocket was deployed about an hour after the plane lifted off from Spaceport Cornwall in the UK. Full Story: https://www
-
01:20
How do 'planet factories' churn out super-Earths?
Added 72 Views / 0 LikesA new study by Caltech’s Konstantin Batygin and his colleague theorizes how super-Earths are formed. Credit: Caltech/R. Hurt (IPAC)
-
07:44
WTF! Jets shot down a UFO*? and "The Sun is falling to bits!" WTF?
Added 72 Views / 0 LikesI hope you have a wonderful weekend.God bless everyone,T LEWISONhttps://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
-
00:45
Webb Explores the PHANGS Galaxies
Added 72 Views / 0 LikesResearchers using the NASA/ESA/CSA James Webb Space Telescope are getting their first look at star formation, gas, and dust in nearby galaxies with unprecedented resolution at infrared wavelengths. The largest survey of nearby galaxies in Webb’s first yea
-
13:29
NSYNC singer Lance Bass talks new space podcast and his canceled space station mission (Audio)
Added 72 Views / 0 LikesLance Bass talks with Space.com's Elizabeth Howell about his new podcast "The Last Soviet" and the cancelled International Space Station mission that he trained for. Full Story: https://www.space.com/nsync-lass-bass-canceled-space-mission-podcastCredit: S
-
02:24
Space to Ground: Wrapping Up: March 10, 2023
Added 72 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
-
10:40
NASA fires up RS-25 engine for 600 seconds in Mississippi
Added 72 Views / 0 LikesNASA conducted a long duration hot-fire test of an RS-25 certification engine at Stennis Space Center in Mississippi on March 21, 2023. The test ran for 600 seconds, 100 seconds more than needed for an actual Space Launch System rocket launch.Credit: NASA
-
01:31
India's reusable space plane lands safely after mid-air helicopter drop
Added 72 Views / 0 LikesIndian Space Research Organisation (ISRO) successfully completed the Reusable Launch Vehicle Autonomous Landing Mission (RLV LEX) on April 2, 2023. The space plane was dropped from a helicopter in mid-air and it landed safely at the Aeronautical Test Rang
-
08:13
Solar eclipse over Western Australia - See the moment of totality!
Added 72 Views / 0 LikesA solar eclipse occurred over Western Australia on April 20. 2023. The moment of totality is explained by NASA here. Credit: NASA / Timeanddate.com / Perth Observatory
-
03:54
very WTF wild weird weather vibes right now.
Added 72 Views / 0 LikesHappy weekend. y'all. May God bless us all.Stay cool.T
-
05:43
3rd Big USA Bank failure this year! More Spy Balloons! More Wild Weather!
Added 72 Views / 0 Likesbeware the jackhammers of negativity. Stay cool.God bless everyone,Thttps://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
-
The 2023 Humans to Mars Summit | an ExploreMars.Org Event - Day 2
Added 72 Views / 0 LikesOpportunities and Challenges8:30-8:40AM ET | Welcome to Day 2 of the 2023 Humans to Mars Summit● Janet Ivey (Explore Mars, Inc. | President)● Chris Carberry (Explore Mars, Inc. | CEO)8:40-9:25AM ET | Mars In 2033: Is It Still Possible?● Moderator: Beth Mu
-
12:01
Private Ax-2 crew's space station welcome ceremony - 600th astronaut gets wings!
Added 72 Views / 0 LikesAxiom Space Ax-2 crew commander Peggy Whitson, pilot John Shoffner, and mission specialists Ali Alqarni and Rayyanah Barnawi were welcomed aboard the International Space Station shortly after their SpaceX Crew Dragon docked. Watch them launch: https://www
-
ARABSAT BADR-8 Mission
Added 72 Views / 0 LikesSpaceX is targeting Tuesday, May 23 for Falcon 9’s launch of the ARABSAT BADR-8 mission to a geosynchronous transfer orbit from Space Launch Complex 40 (SLC-40) at Cape Canaveral Space Force Station in Florida. The 127-minute launch window opens at 11:25
-
13:45
Walking on the moon at 30,000 feet! Space.com trains like an astronaut in wild ride
Added 72 Views / 0 LikesThere is only one way to experience lunar gravity while still on Earth, or rather a few thousand feet above its surface: on a parabolic flight. In this exclusive mini-documentary, Space.com reporter Tereza Pultarova takes to the sky with a bunch of Europe
-
00:57
WTF? New updated Storm Maps just dropped for Today & Tomorrow! wtf
Added 72 Views / 0 Likesso weird.God bless everyone,Thttps://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
-
00:59
Frying in microgravity! High-speed footage of steam bubbles recorded
Added 72 Views / 0 LikesPotatoes were fried in oil aboard a parabolic flight that simulates microgravity. See how steam bubbles react. Why astronauts will not have to hold the fries: https://www.space.com/space-food-frying-works-microgravityCredit: ESA
-
01:13
Baby stars 'bursting from their natural cocoons' in amazing Dark Energy Camera imagery
Added 72 Views / 0 LikesThe US Department of Energy-fabricated Dark Energy Camera at NSF’s NOIRLab’s Cerro Tololo Inter-American Observatory in Chile has captured interstellar cloud Lupus 3. A pair of young stars can bee seen "bursting from their natal cocoons of dust and gas to