News tagged with asteroid fragments
Half-baked asteroids have Earth-like crust
Asteroids are hunks of rock that orbit in the outer reaches of space, and scientists have generally assumed that their small size limited the types of rock that could form in their crusts. But two newly discovered ...
Space & Earth / Earth Sciences
Jan 07, 2009 |
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Research team claims to have found evidence Lake Cheko is impact crater for Tunguska Event
(Phys.org) -- Early on the morning of June 30th, 1908, a huge explosion occurred in a remote part of Siberia near the Podkamennaya Tunguska River. So great was the blast that trees were knocked down in neat ...
Study of moon rocks shows barrage 4 billion years ago was mainly asteroids
(Phys.org) -- Researchers have known for some years that the Earth and moon were subjected to a veritable barrage of objects striking their surfaces nearly four million years ago, but less certain was whether ...
NASA survey counts potentially hazardous asteroids
(Phys.org) -- Observations from NASA's Wide-field Infrared Survey Explorer (WISE) have led to the best assessment yet of our solar system's population of potentially hazardous asteroids. The results reveal ...
Space & Earth / Space Exploration
May 17, 2012 |
4.8 / 5 (4) |
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Asteroid collision that spawned Vesta's asteroid family occurred more recently than thought
A team of researchers led by a NASA Lunar Science Institute (NLSI) member based at Southwest Research Institute has discovered evidence that the giant impact crater Rheasilvia on Asteroid (4) Vesta was created ...
Space & Earth / Space Exploration
May 10, 2012 |
4.8 / 5 (4) |
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Four white dwarf stars caught in the act of consuming 'earth-like' exoplanets
University of Warwick astrophysicists have pinpointed four white dwarf stars surrounded by dust from shattered planetary bodies which once bore striking similarities to the composition of the Earth. The scientists ...
May 03, 2012 |
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Martian meteorite touches down at the University of Glasgow
(Phys.org) -- After hundreds of thousands of years drifting in space, a piece of the rocky surface of Mars has made its way into the hands of scientists at the University of Glasgow.
Space & Earth / Space Exploration
Apr 24, 2012 |
5 / 5 (2) |
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Study supports theory of extraterrestrial impact
A 16-member international team of researchers that includes James Kennett, professor of earth science at UC Santa Barbara, has identified a nearly 13,000-year-old layer of thin, dark sediment buried in the ...
Space & Earth / Earth Sciences
Mar 05, 2012 |
4.7 / 5 (23) |
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Samples returned from asteroid Itokawa reveal history of violent impacts
(PhysOrg.com) -- In June of 2010, Japanese researchers launched a probe called Hayabusa into space on a mission to study the asteroid Itokawa (25143). It managed to collect dust specimens from the asteroids ...
The fireballs of February
In the middle of the night on February 13th, something disturbed the animal population of rural Portal, Georgia. Cows started mooing anxiously and local dogs howled at the sky. The cause of the commotion was ...
Space & Earth / Space Exploration
Feb 23, 2012 |
4.7 / 5 (7) |
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Chandra finds Milky Way's black hole grazing on asteroids
(PhysOrg.com) -- The giant black hole at the center of the Milky Way may be vaporizing and devouring asteroids, which could explain the frequent flares observed, according to astronomers using data from NASA's ...
Feb 08, 2012 |
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List of search results for asteroid fragments