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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)

 

  • 01:05 Declining Sea Ice Trend Continues - NASA Confirms in 2019

    Declining Sea Ice Trend Continues - NASA Confirms in 2019

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    Measurements of Arctic Sea ice by NASA in 2019 confirms that it is still trending downwards. The maximum extent of the ice did not break the record this year unlike the last 4 years but “it continued a trend of declining sea ice maximums and minimums,” ac

  • 08:45 NASA Test-Fires RS-25 Engine

    NASA Test-Fires RS-25 Engine

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    NASA test-fired the Space Launch System's RS-25 engine at Stennis Space Center on April 4, 2019. -- Megarocket Engine Could Take Astronauts to the Moon (Video): https://www.space.com/nasa-sls-megarocket-engine-test-video.htmlCredit: NASA Stennis Space Cen

  • 00:31 See JAXA's Impactor Descend to Asteroid Ryugu Surface

    See JAXA's Impactor Descend to Asteroid Ryugu Surface

    by admin Added 311 Views / 0 Likes

    Watch as the SCI (Small Carry-on Impactor) is deployed from JAXA's Hayabusa2 spacecraft. -- Full Story on Space.com: https://www.space.com/japan-hayabusa2-asteroid-bomb-video.htmlCredit: JAXA

  • 01:46 Studying Titan with a 'Dragonfly' Rotocraft - NASA is Excited!

    Studying Titan with a 'Dragonfly' Rotocraft - NASA is Excited!

    by admin Added 311 Views / 0 Likes

    NASA’s Director of Planetary Science Dr. Lori Glaze and Associate Adminstrator Dr. Thomas Zurbuchen talk about the just announced mission to Saturn’s moon Titan. -- Drones Are Going Interplanetary: https://www.space.com/nasa-drone-exploration-dragonfly-ma

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    ASTEROID 2019 OK FINE GREAT Fight Club Test. Testing.

    by admin Added 311 Views / 0 Likes

    My editing program appears to work again. That is wonderful news.God bless everyone and may Peace Reign across the Truth Community. Stay Cool.T

  • 05:53 Beware the Vacuum of Space - 'Ask A Spaceman: Science of Apollo'

    Beware the Vacuum of Space - 'Ask A Spaceman: Science of Apollo'

    by admin Added 311 Views / 0 Likes

    The 'Ask a Spaceman' series presents the 'Science of Apollo' with host astrophysicist Paul Sutter. Find out what would happen if you stepped on the moon without a spacesuit. - Watch More Episodes: https://www.space.com/ask-a-spaceman-science-of-apollo.htm

  • 07:13 IDA 3 Spacewalk Animation

    IDA 3 Spacewalk Animation

    by admin Added 311 Views / 0 Likes

    Expedition 60 Flight Engineers Nick Hague and Andrew Morgan of NASA will begin their planned six-and-a-half-hour spacewalk from inside the Quest airlock about 8:20 a.m. Wednesday, Aug. 21. Live NASA Television coverage will begin at 6:30 a.m. The duo will

  • 02:59 SpaceX Starhopper Launches on 500-Foot Test Flight

    SpaceX Starhopper Launches on 500-Foot Test Flight

    by admin Added 311 Views / 0 Likes

    SpaceX's Starhopper prototype for the company's planned Starship and Super Heavy spacecraft launched on its highest flight yet on Aug. 27, 2019. -- Story: SpaceX Starhopper Rocket Prototype Aces Highest (and Final) Test Flight: https://www.space.com/space

  • 02:43 Expedition 61 Thanksgiving Message

    Expedition 61 Thanksgiving Message

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    Right now, half of the crew members on board the International Space Station are American astronauts who are getting ready to celebrate Thanksgiving, and they have a message for us. Check in with NASA’s Christina Koch, Jessica Meir and Andrew Morgan, to l

  • 02:34 Christina Koch Congratulations from Students - December 28, 2019

    Christina Koch Congratulations from Students - December 28, 2019

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    Students and teachers from The North Carolina School of Science and Mathematics (NCSSM) and North Carolina State University, astronaut Christina Koch's high school and college, are saying #CongratsChristina today as she sets a new record for the longest s

  • 15:40 Big Storms Coming: & Yes, I would Date Billie Ellish: WORST. THORnews. Video. Ever.

    Big Storms Coming: & Yes, I would Date Billie Ellish: WORST. THORnews. Video. Ever.

    by admin Added 311 Views / 0 Likes

    check out Alex's channel at Predator Poachershttps://www.youtube.com/channel/UC8TdzmDK0w4HIddkfrs1k5wthank you, Faiz!God bless everyone,T LEWISON5430 BIRDWOOD RD. #416 HOUSTON TEXAS 77096WWW.PAYPAL.ME/THORNEWS www.venmo.com/TEric-Lewison $THORnews on Cash

  • 08:29 Pluto conjunct Saturn & Death

    Pluto conjunct Saturn & Death

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    Be cool.God bless everyone,T

  • 02:30 'Star Trek' Brings 'Hope': Patrick Stewart and Isa Brione Talk 'Picard'

    'Star Trek' Brings 'Hope': Patrick Stewart and Isa Brione Talk 'Picard'

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    Patrick Stewart and Isa Brione talk to Space.com about 'Star Trek: Picard' and the enduring legacy of the sci-fi franchise. -- 'Star Trek: Picard' world premiere draws huge crowds and sci-fi stars: https://www.space.com/star-trek-picard-world-premiere.htm

  • 22:23 NW & South Coast storms: How bad will they be? + other stuff.

    NW & South Coast storms: How bad will they be? + other stuff.

    by admin Added 311 Views / 0 Likes

    Happy Lunar New Year! I hope you are awesome!God bless everyone,T LEWISON5430 BIRDWOOD RD. #416 HOUSTON TEXAS 77096WWW.PAYPAL.ME/THORNEWS www.venmo.com/TEric-Lewison $THORnews on CashApphttps://www.patreon.com/thornews

  • 03:11 OUR LOVE

    OUR LOVE

    by admin Added 311 Views / 0 Likes

    Asteroid Fight Club rules.Stay Cool.pictures tell a story & Incubus sings the tale. God bless everyone,TThe Song "Our Love" by Incubus

  • 01:01 Pulsating star that's tidally locked to red dwarf in animation

    Pulsating star that's tidally locked to red dwarf in animation

    by admin Added 311 Views / 0 Likes

    A star that pulsates on only one side, seen in this animation, has been discovered about 1500 light years away from Earth. The star is named HD74423 and is tidally locked to its companion red dwarf star. - Weird new star type pulses on only one side: http

  • 10:31 World Update: Asteroids* Everywhere. Stay Cool.

    World Update: Asteroids* Everywhere. Stay Cool.

    by admin Added 311 Views / 0 Likes

    It's wild getting wilder but hope is not lost.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

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    Volcano de Fuego in Guatemala Erupts!

    by admin Added 311 Views / 0 Likes

    The Eris Alignment action continues.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

  • 06:49 Video from Space - Weekly highlights: Week of May 3, 2020

    Video from Space - Weekly highlights: Week of May 3, 2020

    by admin Added 311 Views / 0 Likes

    Videos featured: asteroid 2020 JA makes a close flyby of Earth, Eta Aquarid meteors light up NASA All-Fireball Network cameras, China launches a new crew capsule on their Long March 5B's maiden flight, a triple system is harboring the closest black hole t

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    by admin Added 311 Views / 0 Likes

    yet to be named Arthur is officially a sloppy depression.Stay tuned for more developments.God bless everyone,T LEWISON5430 BIRDWOOD RD. #416HOUSTON TEXAS 77096https://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.pat

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