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Outer Space & Universe

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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)

 

  • 03:01 Impact Genesis: How the Moon Got Its Holes - 'Apollo's New Moon - 4K' Clip

    Impact Genesis: How the Moon Got Its Holes - 'Apollo's New Moon - 4K' Clip

    by admin Added 336 Views / 0 Likes

    Until NASA's Project Apollo, most scientists believed lunar craters were extinct volcanoes. Rocks found on Apollo 15 and 16 quickly changed a lot of minds. Watch the full film "Apollo's New Moon - 4K" on MagellanTV.com. Link: https://www.magellantv.com/vi

  • 02:15 India Launches Chandrayaan-2 Mission to the Moon

    India Launches Chandrayaan-2 Mission to the Moon

    by admin Added 290 Views / 0 Likes

    India launched the Chandrayaan-2 mission to the moon on July 22, 2019. -- Learn more about the mission: https://www.space.com/india-chandrayaan-2-moon-lander-new-launch-date.htmlCredit: ISRO

  • 11:47 NY NJ Tornadoes? The Tropics. UK Hurricane? it's gonna b a weird week of Weather

    NY NJ Tornadoes? The Tropics. UK Hurricane? it's gonna b a weird week of Weather

    by admin Added 368 Views / 0 Likes

    Possible Tornadoes for the New Jersey New York Washington Baltimore area? A Strong chain of Lows. The thing in the tropics is back up to 20% and Storms headed to Europe. I got a feeling that act III of July's weather is going to be weird. Buckle up, butte

  • 10:21 Stand Up practice. Pt 1 Laying Down

    Stand Up practice. Pt 1 Laying Down

    by admin Added 277 Views / 0 Likes

    I'm practicing my stand up comedy while laying down.

  • 00:44 Watch Apollo 11's Moon Liftoff in Simulation

    Watch Apollo 11's Moon Liftoff in Simulation

    by admin Added 295 Views / 0 Likes

    Watch the Eagle lander soar back to lunar orbit in this animation from Analytical Graphics. -- Space.com Presents 'Ask A Spaceman: Science of Apollo' - https://www.space.com/ask-a-spaceman-science-of-apollo.htmlCredit: Analytical Graphics, Inc. / mash mix

  • 11:18 Hurricane Watch! 10% chance of Tropical Development

    Hurricane Watch! 10% chance of Tropical Development

    by admin Added 340 Views / 0 Likes

    Something bizarre would have to happen for this thing to be a big problem, but it is 2019. Stay cool.God bless everyone,Thttps://www.paypal.me/thornewsT Lewison5430 Birdwood Rd. #416Houston, Texas 77096the crankywxguy bloghttp://www.stormhamster.com/entry

  • 04:07 NASA's Mighty Saturn V Rocket Explained - 'Ask A Spaceman: Science of Apollo'

    NASA's Mighty Saturn V Rocket Explained - 'Ask A Spaceman: Science of Apollo'

    by admin Added 340 Views / 0 Likes

    Space.com presents 'Ask a Spaceman: Science of Apollo' with host astrophysicist Paul Sutter. Learn all about NASA's Saturn V rocket that propelled humanity to the Moon. -- Watch more episodes: https://www.space.com/ask-a-spaceman-science-of-apollo.htmlCre

  • 12:35 20% CHANCE OF TROPICAL DEVELOPMENT - Tame Irma part 2?

    20% CHANCE OF TROPICAL DEVELOPMENT - Tame Irma part 2?

    by admin Added 363 Views / 0 Likes

    We will be watching this area of development over the next few days.God bless everyone,Thttps://www.paypal.me/thornews5430 Birdwood Rd. #416Houston, Texas 77096the crankywxguy bloghttp://www.stormhamster.com/entry2/e071819.htm

  • 10:09 I'm talking about Space Weather on a Saturday night.

    I'm talking about Space Weather on a Saturday night.

    by admin Added 314 Views / 0 Likes

    How is your weekend?God bless everyone,Thttps://www.paypal.me/thornewsT Lewison5430 Birdwood Rd. #416Houston, Texas 77096

  • 04:21 One Crazy Summer July 2019 ACT III Sirens, Medusa & Cersi Heatwave

    One Crazy Summer July 2019 ACT III Sirens, Medusa & Cersi Heatwave

    by admin Added 333 Views / 0 Likes

    this is a part 0 part 0 i dont even know.Cat Women of the Moon, Heat, Greek Mythology. Can women turn men into pigs and stone?Not all men*.God bless everyone,Thttps://www.paypal.me/thornewsT Lewison5430 Birdwood Rd. #416Houston, Texas 77096

  • 04:37 CATS the Musical the Movie is a Don't Do Cocaine PSA.

    CATS the Musical the Movie is a Don't Do Cocaine PSA.

    by admin Added 298 Views / 0 Likes

    Music by Asteroid Fight Club All Star - Grand Master Flash.Also, don't you think it is time we legalize Marijuana?I love you Taylor. Our connection is something special, yeah?What a July? Want a Truce? Let's hug it out!Stay Cool.God bless Everyone,Thttps:

  • 02:01 Watch Apollo 11's Moon Landing in Amazing Simulation

    Watch Apollo 11's Moon Landing in Amazing Simulation

    by admin Added 354 Views / 0 Likes

    Analytical Graphics has created a simulation of the Apollo 11 Lunar Module "Eagle" landing on the moon. Credit: Analytical Graphics / mash mix: Space.com

  • 00:35 See China’s Tiangong-2 Space Station Re-Enters Earth’s Atmosphere

    See China’s Tiangong-2 Space Station Re-Enters Earth’s Atmosphere

    by admin Added 325 Views / 0 Likes

    China’s Tiangong-2 Space Station re-entered Earth’s atmosphere and burned up over the Pacific Ocean on July 19, 2019. A camera aboard Tiangong-2 captured imagery. -- Full Story: https://www.space.com/china-tiangong-2-space-lab-falls-to-earth.htmlCredit: C

  • 03:01 New Space Station Crew Launches on 50th Anniversary of Apollo 11 Moon Landing

    New Space Station Crew Launches on 50th Anniversary of Apollo 11 Moon Landing

    by admin Added 314 Views / 0 Likes

    NASA astronaut Andrew Morgan, Italian astronaut Luca Parmitano of the European Space Agency and Russian cosmonaut Alexander Skvortsov launched aboard a Soyuz rocket from the Baikonur Cosmodrome in Kazakhstan on July 20, 2019. They are scheduled to doc wit

  • 03:25 How Did the Moon Form? - 'Ask A Spaceman: Science of Apollo'

    How Did the Moon Form? - 'Ask A Spaceman: Science of Apollo'

    by admin Added 315 Views / 0 Likes

    Space.com presents 'Ask a Spaceman: Science of Apollo' with host astrophysicist Paul Sutter. Learn how humanity came to understand the moon's formation with the help of NASA's Apollo missions. -- Watch more episodes on Space.com: https://www.space.com/ask

  • 07:31 Jupiter & Saturn are getting married !?! & Bonafide Wisconsin El Dercho!

    Jupiter & Saturn are getting married !?! & Bonafide Wisconsin El Dercho!

    by admin Added 270 Views / 0 Likes

    this retro eclipse energy got the time space continuum all squishy.wave after wave after wave. + sirens and valkyries.God bless everyone,T

  • 15:48 the beat down - Pessimistic THOR retrograde Heatwave Meltdown video part 2.

    the beat down - Pessimistic THOR retrograde Heatwave Meltdown video part 2.

    by admin Added 336 Views / 0 Likes

    i don't recommend watching this.this video is probably super lame. i can't stop you from watching it tho. God bless everyone. Thttps://www.paypal.me/thornewsT Lewison5430 birdwood rd. #416houston texas 77096

  • 15:01 Surprise* Hurricane* Watch! the Atlantic & Gulf of Mexico are HOT.

    Surprise* Hurricane* Watch! the Atlantic & Gulf of Mexico are HOT.

    by admin Added 301 Views / 0 Likes

    There is nothing serious to worry about atm.Things look HOT but Calm. I am keeping my eye on the Irma part 2 system tho. It's tame for now but may hit more favorable conditions in a day or two. God bless everyone,Thttps://www.paypal.me/thornewsT Lewison54

  • 01:45 ‘Apollo's New Moon- 4K’ on MagellanTV - Trailer

    ‘Apollo's New Moon- 4K’ on MagellanTV - Trailer

    by admin Added 216 Views / 0 Likes

    The world cheered when the first Apollo crew set foot upon the Moon. Few knew at the time that what they found would touch off a chain reaction in our understanding of the origin of the solar system, Earth, and life. An intensive effort by filmmakers to e

  • 02:51 Space to Ground: History's Greatest Adventure: 07/19/2019

    Space to Ground: History's Greatest Adventure: 07/19/2019

    by admin Added 309 Views / 0 Likes

    NASA'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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