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)
-
03:08
Happy Thanksgiving from Space!! Astronauts send well wishes
Added 176 Views / 0 LikesThe crew aboard the International Space Station deliver their annual Thanksgiving message from space.Credit: NASA
-
04:18
Russia's Prichal docking module captured by space station
Added 176 Views / 0 LikesThe Russian Prichal docking module arrived at the International Space Station on Friday, Nov. 26, 2021. Credit: NASA
-
01:13
China's moon rover spots cube-shaped 'mystery hut' on lunar farside
Added 176 Views / 0 LikesChina's Yutu 2 rover has transmitted back to Earth an image of an odd cube-shaped object on the far side of the the moon.Credit: Space.com | CNSA/Our Space/China Central Television | edited by [Steve Spaleta](http://www.twitter.com/stevespaleta)
-
01:04
Asteroid over a kilometer wide will safely fly by Earth in Jan. 2022
Added 176 Views / 0 LikesAsteroid 7482 (1994 PC1) will fly about 1.2 million miles away from Earth on Jan. 18, 2022. Credit: Space.com | orbit animation: NASA/JPL-Caltech | produced & edited by [Steve Spaleta](http://www.twitter.com/stevespaleta)
-
10:23
SpaceX launches 49 Starlink satellites, nails booster landing at sea
Added 176 Views / 0 LikesSpaceX launched 49 new Starlink satellites from Pad 39A at NASA's Kennedy Space Center in Florida on Jan. 18, 2022. The first stage of the Falcon 9 rocket landed on the "A Shortfall of Gravitas" drone ship minutes later in the Atlantic Ocean. Credit: Spac
-
01:46
How big is the Milky Way galaxy? Light-year measurements explained
Added 176 Views / 0 LikesNASA explains the size of the Milky Way galaxy in terms of light-years and miles. Credit: NASA
-
05:05
Red Alert! Texas, Tonight's Severe Weather Storm threat has begun! Hail & Possible Tornadoes!
Added 176 Views / 0 Likesalso keep an eye out Oklahoma, Arkansas, & Louisiana.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
-
10:29
Red Alert! Wild Week Ahead! 48 Hours away from the Blizzard & Big Severe Weather Storms USA!
Added 176 Views / 0 LikesPay attention this week.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
-
05:21
Krakatau Volcano Erupts! 4.6 Earthquake Hawaii Volcano! Severe Weather! Long duration M-Class Flare!
Added 176 Views / 0 LikesHappy Good Friday, y'all!God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
-
WATCH LIVE: SpaceX to Launch 53 Starlink Satellites aboard Falcon 9!
Added 176 Views / 0 LikesA SpaceX Falcon 9 rocket will launch the Starlink-44 (4-17) mission. Liftoff is scheduled on Friday, May 6, 2022 at 9:51 AM (UTC), from LC-39A Kennedy Space Center Florida, United States► Become a YouTube member https://www.youtube.com/channel/UCIR_LPmEQ9
-
02:14
Soar over Pluto for the New Horizons probe's flyby anniversary
Added 175 Views / 0 LikesNASA's New Horizons mission flew by Pluto on July 14, 2015. See what the probe saw in these animations created from imagery and data acquired during the flyby. Learn more about Pluto: https://www.space.com/43-pluto-the-ninth-planet-that-was-a-dwarf.htmlCr
-
02:54
Space to Ground: Neutron Dance: 10/26/2018
Added 175 Views / 0 LikesDescNASA's Space to Ground is your weekly update on what's happening aboard the International Space Station. Got a question or comment? Use #spacetoground to talk to us.Learn more about the important research being operated on Station:https://www.nasa.gov
-
16:27
Hurricane Season Watch 2021: we could see a hurricane or TS landfall around June 14 imho
Added 175 Views / 0 Likesthis is not a forecast, just my opinion.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnews$THORnews on CashApphttps://www.patreon.com/thornews
-
02:04
ALERT! EURO now shows a Hurricane headed to Gulf Coast usa in 10 days.
Added 175 Views / 0 Likesalmost all models now agree trouble is brewing.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnews$THORnews on CashApphttps://www.patreon.com/thornews
-
04:56
Rocket Mining on the moon! Learn how Masten plans to extract volatiles
Added 175 Views / 0 LikesMasten has collaborated with Honeybee Robotics and Lunar Outpost to develop a Rocket Mining System to extract volatiles from the moon. Learn how it works. Credit" Masten Space Systems
-
07:15
Tornado Warnings across Chicago & June 30th TS Hurricane Watch.
Added 175 Views / 0 Likesthe weather is still weathering.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnews$THORnews on CashApphttps://www.patreon.com/thornews
-
01:07
NASA is growing chili peppers in space
Added 175 Views / 0 LikesNASA has begun to grow peppers from 48 Hatch chili pepper seeds for the Plant Habitat-04 (PH-04) experiment. Watch radishes grow in space: https://videos.space.com/m/vpZf0IQL/watch-radishes-grow-in-space-in-this-time-lapse-video?list=9wzCTV4gCredit: NASA
-
03:00
Space to Ground: Water Bears in Space: 07/16/2021
Added 175 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
-
03:04
How will Boeing's OFT-2 Starliner get to space station? Atlas V flight profile
Added 175 Views / 0 LikesThe Boeing CST-100 Starliner's Orbital Flight Test-2 (OFT-2) will launch atop an Atlas V rocket to the International Space Station. The United Launch Alliance describes the flight profile for the mission. OFT-2 launch updates: https://www.space.com/news/l
-
18:05
Cat 2 Hurricane Henri to hit NE! Coronavirus surges! Wildfires rage! bitcoin rises Elon's humanoids!
Added 175 Views / 0 Likesit's going to be a wild wild 7 days & end of 2021.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