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Space Tourism on the ISS
- Watch this video about space tourism on the International Space Station on HowStuffWorks. Three astronauts - a cosmonaut, an-ex Microsoft executive and a NASA astronaut - returned to Earth safely after several months in the International Space Station. The ex-Microsoft executive paid $25 million for his space odyssey and is the fifth private citizen to do so. See how space tourism will work in this news video from Reuters.
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Shape of the Universe
(2:34)
Learn about the forms and contours of the universe.
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Does Earth have a Twin?
(0:51)
Watch this Reuters video showing a computer mock-up of the smallest planet ever found outside our solar system, and it could be very similar to Earth. The new planet is circling a small red dwarf star 30 light years away in the constellation of Leo.
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Physics: Primal Forces
(2:53)
Learn about the primal forces of the universe-gravity, electromagnetic, the Strong and Weak nuclear force.
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Radio Telescopes
(2:33)
Learn about radio telescopes and how they help shape our understanding of the universe.
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Why Aren't There Green or Purple Stars?
(3:16)
Watch this NASA video explaining why we don't see green or purple stars. The key is in the way light refracts and reflects into our eyes. Video courtesy of the Spitzer Science Center.
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Humans Already on Mars
(0:37)
Have humans already landed on Mars? Watch this Reuters video of new pictures taken by NASA's Spirit Rover that shows an image resembling a human shape on Mars. NASA is planning more investigation.
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Death Ray from a Black Hole
(0:56)
Watch this Reuters and NASA video showing the effects of a black hole's death ray on a passing galaxy. Scientists say the black hole's death ray produce high amounts of radiation, particularly high energy x-rays and gamma rays.
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Cosmic Train Wreck: Galactic Collision
(7:32)
Scientists study the possibly of the Milky Way colliding with the Andromeda galaxy.
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