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)
-
11:44
Major Monsoon & Hurricane Activity Ahead? + Ulysses Thoughts on Crabby Crabs
Added 225 Views / 0 LikesI'm in a mood.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
-
21:15
Alert! Hurricane Season Tropics Watch for Texas & the Gulf! Heat & Steam & Tornadoes Canada & USA
Added 309 Views / 0 Likesi'm feeling weird and talking about the weather.T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
-
01:04
Watch the James Webb Space Telescope get folded for final tests
Added 244 Views / 0 LikesNASA's James Webb Space Telescope has been folded into launch configuration for tests. Credit: NASA Goddard Space Flight Center
-
15:32
ASTEROID FIGHT CLUB 2020 ALL THESE THINGS : good omens & bad conflicts.
Added 302 Views / 0 Likeswarning: I cuss in this sunday school.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
-
05:47
EndGame 2020 part 1: Thanos & Loki & Ultron are HERE = people are sick, angry & confused
Added 195 Views / 0 Likesthe Endgame runs through 2022.We'd best be ready.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
-
02:46
'Thick cocoons' shrouded identities of supermassive black holes - Tour the region
Added 293 Views / 0 LikesSeveral black holes in the Chandra Deep Field South (CDF-S) were misidentified. New observations by the Chandra X-ray Observatory has lifted the veil on these growing supermassive black holes. Chandra Space Telescope: Revealing the Invisible Universe:(htt
-
07:04
Dakota & Minnesota Derecho! Texas Tropical Storm? Heat Wave.
Added 251 Views / 0 LikesDERECHO!T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
-
01:06
Watch SpaceX Demo-2 mission's return to Earth in animation - Target date set
Added 286 Views / 0 LikesNASA has announced that they are targeting Aug. 1, 2020 for Bob Behnken and Doug Hurley's departure from the International Space Station. They would re-enter Earth's atmosphere and splashdown in the Atlantic Ocean on Aug. 2 if weather is a go. -- SpaceX's
-
13:43
Texas Tropical Storm in 7 days? SEVERE WEATHER BULLSEYE! Minnesota Heatwave & California Fog
Added 276 Views / 0 LikesHow are you today?God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
-
01:30
ESA's Solar Orbiter snaps closest views of Sun yet
Added 307 Views / 0 LikesESA’s Solar Orbiter has captured amazing imagery about 77 million kilometers (47 million miles) from the Sun. [Weird country-size 'campfires' on the sun revealed in closest-ever photos](https://www.space.com/campfires-on-sun-solar-orbiter-first-photos.htm
-
02:38
Space to Ground: Outside The Hatch: 07/17/2020
Added 257 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
-
06:35
Calgary Lightning & the Dakotas Bullseye & Weird Energy
Added 179 Views / 0 Likesi'm still in a weird mood.T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
-
08:44
6.9 Earthquake Papua New Guinea, Comet NEOwise, Lots of Severe Weather & Heat
Added 297 Views / 0 Likesthe energy is so weird.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews$163 of $1777 July Fundraiser GOALTheresa
-
01:55
NASA astronauts conduct spacewalk for more battery swaps
Added 268 Views / 0 LikesNASA astronauts Bob Behnken and Chris Cassidy are currently spacewalking to place old batterie outside the International Space Station. Watch Live! (https://www.space.com/17933-nasa-television-webcasts-live-space-tv.html)Credit: NASA
-
02:45
‘Campfires’ seen on Sun in closest images yet
Added 251 Views / 0 LikesESA’s Solar Orbiter captured this amazing imagery about 77 million kilometers (47 million miles) from the Sun. The 'campfire'-looking phenomena seen are "omnipresent miniature eruptions that could be contributing to the high temperatures of the solar coro
-
14:55
Hurricane Season Watch! 130 in Death Valley? Siberian Wildfire! Comet NEOwise! Tornadoes!
Added 291 Views / 0 Likesmentally, i am on vacation.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews$163 of $1777 July Fundraiser GOALTheresa