Great 1908 Siberian Explosion: UFO Meets Comet?
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A Russian scientist has reopened the controversy over a gigantic explosion in 1908 in Siberia with a claim that he has found debris from an extraterrestrial space vehicle, or UFO, which collided with a comet.
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By Sandi Doughton, Seattle Times  Dec. 15--University of Washington astronomer Don Brownlee expected surprises from the pinch of comet dust collected by the Stardust spacecraft.   But he didn't foresee such a shake-up.
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A concept abandoned in the 19th century is being revived by a physicist as an alternative to dark matter, despite recent announcements of proof of the theoretical substance.
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Scientists are hopeful they can retrieve particles of solar wind from a capsule that crashed in the desert last week. By Peter N. Spotts | Staff writer of The Christian Science Monitor.
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Did you know that about a hundred tons of space debris, including comet particles, falls to Earth each day? Read more facts on comet science and history.
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Twenty years ago, astronomers witnessed one of the brightest stellar explosions in more than 400 years. The titanic supernova, called SN 1987A, blazed with the power of 100 million suns for several months following its discovery on Feb.
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A supernova spotted by the Danish astronomer Tycho Brahe more than four centuries ago that changed the course of human knowledge has just yielded a further discovery - the apparent discovery of the companion star that triggered the great event.
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Donald Machholz of Colfax,    California, an optician who has been interested in astronomy since age eight,    discovered nine comet from 1978 through 1994. He has since spent 1,457 hours    scanning the skies for other comets, without any luck.
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We are preparing to visit the North Pole on December 22, to see an unusual meteor shower called the Ursids. This meteor shower radiates from the constellation known as the Little Dipper: Ursa Minor. This minor shower is quite unremarkable in most years, but this year the parent comet 8P/Tuttle is approaching, and it has a strong Perseid-level shower in store for us. We think. We predict a peak time around 20 - 22.2 Universal Time and a width of 5 to 8.5 hours at half the peak rate.
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An international team of astronomers has produced the first ever image of an astronomical object using high energy gamma rays, helping to solve a 100 year old mystery - an origin of cosmic rays.
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Description: We check in with the progress of search for extraterrestrial intelligence. A paper published this week in the journal Nature argues that for sending lots of data over long distances, it&#39;s hard
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Amazingly, some people still believe the devastating Siberian event was caused by space aliens
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Scientists have now officially witnessed the perfect cosmic storm. Thanks to the European Space Agency's XMM-Newton observatory, they watched a nearby head-on collision between two galaxy clusters. The clusters smashed together thousands of galaxies and trillions of stars in one of the most powerful events ever witnessed.
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Two years ago, NASA's Deep Impact spacecraft blasted a hole in Comet Tempel 1, offering researchers their first look inside a comet.  One small problem:  The cloud of debris was so thick no one could clearly see the crater.  But now the dust has cleared and another NASA spacecraft is returning to the scene to examine the hole Deep Impact wrought.
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A forest fire has led to a chance discovery of debris from the impact of a meteorite 1.85 billion years ago, more than 450 miles away at Sudbury, Ontario.
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NASA has is to send a probe on a collision course with a comet&#39;s nucleus to find out more about the composition and history of the bodies.
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SPACE.com / Nearly 2,000 years ago, Chinese astronomers spotted a bright light materializing in the night sky. Turns out the skywatchers had witnessed the spectacular explosion of a dying star.