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)
-
01:10
Spacesuits for the Next Explorers: Preview Trailer 3- New Car Smell
Added 302 Views / 0 LikesWhen does a spacesuit smell like a new car? When it’s brand new! NASA is creating a new spacesuit for missions to the Moon and beyond. With improved mobility, flexibility and endurance the suit will allow astronauts to do more exploration than ever before
-
01:24
New Earth from ISS Time-Lapse - Deserts, Clouds and Water in Abundance | Video
Added 429 Views / 0 LikesNew Earth from ISS Time-Lapse - Deserts, Clouds and Water in Abundance | Video
-
01:16
China’s Heavy-Lift Long March 5 Rocket Launches Satellite
Added 423 Views / 0 LikesA Chinese Long March 5 rocket launched from Wenchang Satellite Launch Cente in south China on Dec. 27, 2019. It was carrying the Shijian-20 communications satellite. Credit: China Central Television - CCTV
-
00:02
Webb Captures DART Impact
Added 100 Views / 0 LikesThis animation features a timelapse of images from the NASA/ESA/CSA James Webb Space Telescope showing the aftermath of NASA’s Double Asteroid Redirection Test (DART) intentionally slamming into the moonlet asteroid Dimorphos. This animation covers the ti
-
01:35
Original Star Trek's 'Uhuru' Promos NASA's Orion Capsule | video
Added 663 Views / 0 LikesOriginal Star Trek's 'Uhuru' Promos NASA's Orion Capsule | video
-
04:10
SpaceX Crew-3 astronauts have on-orbit zero-g fun with food & more
Added 154 Views / 0 LikesSpaceX Crew-3 astronauts Raja Chari, Tom Marshburn, Kayla Barron, and Matthias Maurer show off their zero-g skills during their journey to the International Space Station on Nov. 11, 2021. Credit: SpaceX / NASA
-
03:16
Angiex Cancer Therapy in Space
Added 488 Views / 0 LikesDid you ever see a cancer experiment up close? Here’s your chance: watch as Flight Engineer Serena Auñón-Chancellor works with the Angiex Cancer Therapy experiment in the International Space Station’s Destiny laboratory module. Auñón-Chancellor gives us a
-
05:02
Starship soars (& crashes), Spacewalk and more this week! | VFS Weekly
Added 173 Views / 0 LikesVideos featured: bluShift Aerospace conducts its 1st rocket launch from Maine, Spacewalkers install new camera and more on Space Station, SpaceX launched and crash landed its Starship SN9 prototype, SpaceX also launched 60 Starlink satellites. -- Join the
-
07:59
RED ALERT! Hurricane* Hilary to Hit Southern California on Monday?!?
Added 76 Views / 0 LikesStay tuned & stay cool.God bless everyone,Thttps://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
-
02:19
Space to Ground: Surprise Spacewalk!: 05/26/2017
Added 544 Views / 0 LikesSpace to Ground: Surprise Spacewalk!: 05/26/2017
-
04:54
Moon Phases in 2020: Southern Hemisphere Viewing - Time-Lapse
Added 319 Views / 0 LikesWatch the moon phases and libration for 2020, as seen from Earth's Southern Hemisphere, in this time-lapsed animation that is set at hourly intervals. -- Moon Facts: Fun Information About the Earth's Moon: https://www.space.com/55-earths-moon-formation-co
-
01:03
9 New Habitable Zone Planets! Huge Haul of Worlds Found By Space Telescope | Video
Added 682 Views / 0 Likes9 New Habitable Zone Planets! Huge Haul of Worlds Found By Space Telescope | Video
-
01:50
SpaceX Crew-5 mission launches to space station, booster nails landing
Added 106 Views / 0 LikesA SpaceX Falcon 9 rocket launched a Crew Dragon spacecraft carrying NASA astronauts Josh Cassada and Nicole Mann, JAXA astronaut Koichi Wakata and Roscosmos cosmonaut Anna Kikina from the Kennedy Space Center in Florida on Oct. 5, 2022. See highlights of
-
01:31
Stephen Hawing Promotes International Space Station | Video
Added 639 Views / 0 LikesStephen Hawing Promotes International Space Station | Video
-
12:39
Volcano meets Tornado! Big Nor'Easter on November 23rd? Surprise* Aurora! Windy Montana & Wyoming!
Added 121 Views / 0 Likes...and the lunar eclipse is 2.5 days away.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews
-
26:27
USA HURRICANE MADNESS: 4 Tropical Waves to Watch in Atlantic & 4 in the Pacific
Added 478 Views / 0 LikesIt's about to get lit. I am VERY concerned about Hawaii. Also, almost sure trouble for Florida & Possible Texas. This situation should be monitored and if you live on the Coast. Check in every 12 hours with your Weather Updates. Plan. Prepare. Now. Please
-
14:49
Icemageddon 2021 is already causing major problems & it's got 100+ Hours more of ice snow & rain
Added 191 Views / 0 LikesWARNING: i am in a mood and the weather situation is dangerous.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornewsspacecowbo
-
03:02
Black hole tears apart huge star, tosses 'guts' into space
Added 60 Views / 0 LikesAstronomers using the Chandra X-ray Observatory and other telescopes "have determined that a giant black hole has destroyed a large star and strewn its contents into space," according to NASA. Full Story: https://www.space.com/supermassive-black-hole-gian