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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)

 

  • 02:57 New VERY RED ALERT! a VERY DANGEROUS weather week starts right now!

    VERY RED ALERT! a VERY DANGEROUS weather week starts right now!

    by admin Added 1 Views / 0 Likes

    they just red beaned the south today y'all.God bless everyone,T LEWISONhttps://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews

  • 10:32 New Last OneWeb first-gen constellation satellites launched by India's LVM3 rocket

    Last OneWeb first-gen constellation satellites launched by India's LVM3 rocket

    by admin Added 3 Views / 0 Likes

    India's Launch Vehicle Mark-3 (LVM3) rocket launched 36 OneWeb broadband satellites from India's Satish Dhawan Space Centre March 25, 2023 at 11:30 p.m. EDT (0330 GMT and 9 a.m. India Standard Time on March 26). Full Story: https://www.space.com/indian-ro

  • 02:01 New ESA's JUICE spacecraft flies to the Jupiter system in amazing animation

    ESA's JUICE spacecraft flies to the Jupiter system in amazing animation

    by admin Added 6 Views / 0 Likes

    ESA’s Jupiter Icy Moons Explorer (JUICE) is scheduled to launch atop an Ariane 5 rocket in April 2023. It will take about 8 years to arrive at the jovian system after several gravity assists. See its journey from the pad to Jupiter and its moons in these

  • 07:46 New my Mental health day observation: the energy that's been hitting Earth has been pretty incredible.

    my Mental health day observation: the energy that's been hitting Earth has been pretty incredible.

    by admin Added 6 Views / 0 Likes

    WARNING: the audio turned out very weirded.a good sign tho,overall?lips in the sky.God bless everyone,T

  • 09:02 New SpaceX launches 56 Starlink satellites from Florida, nails landing

    SpaceX launches 56 Starlink satellites from Florida, nails landing

    by admin Added 5 Views / 0 Likes

    A SpaceX Falcon 9 rocket launched 56 Starlink satellites from Space Launch Complex 40 (SLC-40) at Cape Canaveral Space Force Station in Florida on March 24, 2023. Full Story: https://www.space.com/spacex-starlink-satellites-group-5-5-launchThe first stage

  • 09:43 New Rocket Lab launches 2 BlackSky Earth-observing satellites from New Zealand

    Rocket Lab launches 2 BlackSky Earth-observing satellites from New Zealand

    by admin Added 3 Views / 0 Likes

    A Rocket Lab Electron rocket launched two Blacksky Earth-observing satellites from their New Zealand launch site on March 24, 2023. Full Story: https://www.space.com/rocket-lab-launch-booster-recovery-march-2023"The two additional high-resolution, multi-s

  • 07:46 New WTF? North Korea tests Nuclear Tsunami device?! & the NEXT Bombcyclone hits California next Tuesday!

    WTF? North Korea tests Nuclear Tsunami device?! & the NEXT Bombcyclone hits California next Tuesday!

    by admin Added 2 Views / 0 Likes

    we do live in strange times.God bless everyone,T LEWISONhttps://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews

  • 02:34 New Space to Ground: It's All About Science: March 24, 2023

    Space to Ground: It's All About Science: March 24, 2023

    by admin Added 3 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

  • 04:32 New RED ALERT! Stormy & Weird Friday & Saturday weekend ahead!

    RED ALERT! Stormy & Weird Friday & Saturday weekend ahead!

    by admin Added 2 Views / 0 Likes

    I hope you are doing well today.God bless everyone,T LEWISONhttps://www.paypal.me/THORnewshttps://venmo.com/TEric-Lewison$THORnews on CashApphttps://www.patreon.com/thornews

  • 01:08 New Boom! Sierra Space inflatable habitat and building housing it blown up in 'creep' test

    Boom! Sierra Space inflatable habitat and building housing it blown up in 'creep' test

    by admin Added 3 Views / 0 Likes

    A 1/3 scale prototype of Sierra Space's LIFE inflatable habitat was run through an Accelerated Systematic Creep Test within a NASA-designed disposable building in Feb. 2023. The testing has demonstrated that the “pressure shell design has a predicted life

  • 01:35 New Hubble captures stunning new views of Jupiter and Uranus - See in 4K

    Hubble captures stunning new views of Jupiter and Uranus - See in 4K

    by admin Added 3 Views / 0 Likes

    The Hubble Space Telescope captured new views of Jupiter in Nov. 2022 and Jan. 2023. The moons of Io and Ganymede can be see in those views. Also in Nov. 2022, Hubble observed a hazy Uranus. Credit: NASA, ESA, STScI, A. Simon (NASA-GSFC), M. H. Wong (UC B

  • 00:30 New Pan: Hubble’s neighbourhood watch

    Pan: Hubble’s neighbourhood watch

    by admin Added 3 Views / 0 Likes

    UGCA 307 hangs against an irregular backdrop of distant galaxies in this image from the NASA/ESA Hubble Space Telescope. The small galaxy consists of a diffuse band of stars containing red bubbles of gas that mark regions of recent star formation, and lie

  • 00:30 New Pan: Hubble spies a meandering spiral

    Pan: Hubble spies a meandering spiral

    by admin Added 6 Views / 0 Likes

    The irregular spiral galaxy NGC 5486 hangs against a background of dim, distant galaxies in this image from the NASA/ESA Hubble Space Telescope. The tenuous disc of the galaxy is threaded through with pink wisps of star formation, which stand out from the

  • 00:30 New Pan: Portrait of a galactic jellyfish

    Pan: Portrait of a galactic jellyfish

    by admin Added 4 Views / 0 Likes

    The galaxy JW100 features prominently in this image from the NASA/ESA Hubble Space Telescope, with streams of star-forming gas dripping from the disc of the galaxy like streaks of fresh paint. These tendrils of bright gas are formed by a process called ra

  • 00:40 New Hubble’s new views of Jupiter and Uranus

    Hubble’s new views of Jupiter and Uranus

    by admin Added 3 Views / 0 Likes

    This video showcases Hubble’s observations of Jupiter and Uranus.The outer planets beyond Mars do not have solid surfaces to affect weather as on Earth. And sunlight is much less able to drive atmospheric circulation. Nevertheless, these are ever-changing

  • New Starlink Mission

    Starlink Mission

    by shub Added 3 Views / 0 Likes

    SpaceX is targeting Friday, March 24 at 11:33 a.m. ET (15:33 UTC) for a Falcon 9 launch of 56 Starlink satellites to low-Earth orbit from Space Launch Complex 40 (SLC-40) at Cape Canaveral Space Force Station in Florida. If needed, there are additional la

  • 08:12 New Relativity's 3D-printed rocket launches but fails to reach orbit after 2nd stage anomaly

    Relativity's 3D-printed rocket launches but fails to reach orbit after 2nd stage anomaly

    by admin Added 4 Views / 0 Likes

    Relativity's Terran 1 rocket launched from Launch Complex 16 in Cape Canaveral, Florida on March 22, 2023. The rocket successfully made it through Max-Q and completed first stage separation but an anomaly with the second stage resulted in failure to reach

  • 00:58 New The Sun is cool.

    The Sun is cool.

    by admin Added 10 Views / 0 Likes

  • 01:01 New The JFK Monument is weird.

    The JFK Monument is weird.

    by admin Added 11 Views / 0 Likes

  • 10:40 New NASA fires up RS-25 engine for 600 seconds in Mississippi

    NASA fires up RS-25 engine for 600 seconds in Mississippi

    by admin Added 9 Views / 0 Likes

    NASA conducted a long duration hot-fire test of an RS-25 certification engine at Stennis Space Center in Mississippi on March 21, 2023. The test ran for 600 seconds, 100 seconds more than needed for an actual Space Launch System rocket launch.Credit: NASA

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