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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)

 

  • 01:35 New Fmr. NASA Astronaut Walks on Moon, Virtually

    Fmr. NASA Astronaut Walks on Moon, Virtually

    by admin Added 2 Views / 0 Likes

    Fmr. NASA astronaut Mike Massimino walks on the lunar surface in the virtual reality experience “A Moon for All Mankind” (AMFAM) at Samsung 837 in New York City.Credit: Space.com / footage courtesy Samsung / produced and edited by Steve Spaleta http://www

  • 15:15 New Major Heat & Major Floods for the USA & Asia  over next 2 weeks.

    Major Heat & Major Floods for the USA & Asia over next 2 weeks.

    by admin Added 4 Views / 0 Likes

    We're looking at some serious flooding possible all up and down the East coast and into the South over the next 2 weeks. Also, the Heat surges over the next week will be shattering some records. The worst weather is still to be found in Asia Pacific. They

  • 05:05 New World War III Averted! A Team Earth Victory. - One Crazy Summer 2018

    World War III Averted! A Team Earth Victory. - One Crazy Summer 2018

    by admin Added 9 Views / 0 Likes

    Don't get cocky now. We've still got a lot of work today.The BIG eclipse is in 10 days. Let's be prepared. Asteroid Fight Club. Astonishers. American Bicycle Club.I am very proud of you. Y'all have all done a great job!God bless everyone! Let Peace rule!T

  • 01:13 New Ultra-Sharp Neptune Image Captured by Ground-Based Telescope

    Ultra-Sharp Neptune Image Captured by Ground-Based Telescope

    by admin Added 10 Views / 0 Likes

    The European Southern Observatory’s Very Large Telescope used it new adaptive optics mode, known as laser tomography, to capture an incredible view of Neptune. -- Full Story: https://www.space.com/41202-new-adaptive-optics-produces-stunning-views.htmlCred

  • 00:28 New 2018 NASA iTech Cycle III: Call for Ideas

    2018 NASA iTech Cycle III: Call for Ideas

    by admin Added 10 Views / 0 Likes

    A new cycle of the NASA iTech initiative kicks off today with a call for technical solutions to fill gaps in areas identified as having a critical impact on future space exploration.The request for a five-page white paper is the first phase of 2018 NASA i

  • 03:54 New Space Station Flies from USA to Africa in Amazing Time-Lapse

    Space Station Flies from USA to Africa in Amazing Time-Lapse

    by admin Added 9 Views / 0 Likes

    European Space Agency (ESA) astronaut, well-known for his amazing imagery of Earth from the International Space Station, captured another amazing view. The video was “filmed 12.5 times faster than actual speed,” according to ESA. -- Read more about it: ht

  • 02:11 New Buckle Up! East Coast USA! This storm is about to pack a punch!

    Buckle Up! East Coast USA! This storm is about to pack a punch!

    by admin Added 9 Views / 0 Likes

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  • 01:18 New So You Want to Go to Mars?  Episode 2:  What Does it Take to be a NASA Hero?

    So You Want to Go to Mars? Episode 2: What Does it Take to be a NASA Hero?

    by admin Added 7 Views / 0 Likes

    There are many heroes at NASA, and they’re not just astronauts. In this episode of “So You Want to Go to Mars?” we take a special behind the scenes look at spaceflight and discover the heroes that are solving the major challenges of our space missions tod

  • 21:06 New Soccer Ball Victory, American Lava Bombs, Solar System Dust, Big Storms, & Homework.

    Soccer Ball Victory, American Lava Bombs, Solar System Dust, Big Storms, & Homework.

    by admin Added 7 Views / 0 Likes

    I might be too happy to communicate properly right now.Thank you. Thank y'all. I love you. Y'all are amazing.You can find our Homework here Long Detailed Blog Entry 7/16:http://www.stormhamster.com/entry/e071618.htmFocused Blog Entry 7/17:http://www.storm

  • 00:35 New OTD in Space – July 17: X-15 Breaks Altitude Record

    OTD in Space – July 17: X-15 Breaks Altitude Record

    by admin Added 12 Views / 0 Likes

    On July 17, 1962, the American test pilot Bob White broke the world record for the highest altitude flight. He took off from Edwards Air Force Base in a rocket-powered X-15 aircraft and made it to an altitude of 314,750 feet. That's almost 60 miles! At th

  • 00:51 New Cygnus Spacecraft Departs the International Space Station

    Cygnus Spacecraft Departs the International Space Station

    by admin Added 11 Views / 0 Likes

    An uncrewed Cygnus OA-9 spacecraft departed the International Space Station on July 15, 2018. It will deorbit and burn up in the Earth's atmosphere is a few weeks. -- Full Story: https://www.space.com/41172-cygnus-leaves-space-station-orbital-boost.htmlCr

  • 20:22 New The SUN is so STRANGE right now. = Super Wild Weather Watch

    The SUN is so STRANGE right now. = Super Wild Weather Watch

    by admin Added 9 Views / 0 Likes

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  • 21:01 New The Pacific Typhoon situation is INSANE! A bad sign for USA Hurricane Season?

    The Pacific Typhoon situation is INSANE! A bad sign for USA Hurricane Season?

    by admin Added 11 Views / 0 Likes

    https://www.paypal.me/THORnewsThe Euro & GFS forecast models continue to spin up some pretty wild scenarios a week from now. Multiple Fujiwhara Typhoons? The projected rain totals for some areas would be utter catastrophic. A form of that pattern will shi

  • 07:31 New I URGE YOU PEOPLE TO NOT EAT HONEY SMACKS! YOU COULD DIE.

    I URGE YOU PEOPLE TO NOT EAT HONEY SMACKS! YOU COULD DIE.

    by admin Added 11 Views / 0 Likes

    Honey Smacks is a Killer Cereal. They have Salmonella. The world is wild. Also, don't combine Tide Pods with Sal. God bless everyone,Thttps://www.paypal.me/THORnewsTshirtshttps://hitthebuttonbaby.com/THORNEWS PO BOX 35946HOUSTON TEXAS77235-5946http://www.

  • 00:39 New How Big is the ISS?!

    How Big is the ISS?!

    by admin Added 11 Views / 0 Likes

    The International Space Station is HOW big? As big as the #WorldCup field!

  • 02:14 New Space to Ground: Same Day Delivery: 07/13/2018

    Space to Ground: Same Day Delivery: 07/13/2018

    by admin Added 13 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 #spacetoground to talk to us.Learn more about the important research being operated on Station:https://www.nasa.gov/iss

  • 01:10 Wow! Rarely Seen Double Asteroid Imaged by Radar Observatories

    Wow! Rarely Seen Double Asteroid Imaged by Radar Observatories

    by admin Added 14 Views / 0 Likes

    The Arecibo Observatory and the Green Bank Observatory pinged binary asteroid YE5 during a recent flyby of Earth. The asteroids were 3.7 million miles (6 million kilometers) away on June 21, 2018. -- Full Story: https://www.space.com/41154-rare-binary-ast

  • 01:25 Cosmic Neutrino's Source Pinpointed for First Time

    Cosmic Neutrino's Source Pinpointed for First Time

    by admin Added 16 Views / 0 Likes

    The detection of a single neutrino by the IceCube neutrino telescope at the South Pole on Sept. 22, 2017 sparked a global effort to find its source. -- Full Story: https://www.space.com/41146-neutrino-source-blazar-cosmic-rays.htmlCredit: Space.com / anim

  • 22:54 Wild Weather Watch: Cat 2 Hurricane Chris Meets Ghost Hurricane Beryl?

    Wild Weather Watch: Cat 2 Hurricane Chris Meets Ghost Hurricane Beryl?

    by admin Added 13 Views / 0 Likes

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  • 04:18 Stellar Potluck: Grand Master Flash edition

    Stellar Potluck: Grand Master Flash edition

    by admin Added 12 Views / 0 Likes

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