News tagged with asteroid collision
Tiny 'spherules' reveal details about Earth's asteroid impacts
(Phys.org) -- Researchers are learning details about asteroid impacts going back to the Earth's early history by using a new method for extracting precise information from tiny "spherules" embedded in layers ...
Space & Earth / Earth Sciences
Apr 25, 2012 |
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Asteroid sites hint at life on Mars
(Phys.org) -- Craters made by asteroid impacts may be the best place to look for signs of life on other planets, a study suggests.
Space & Earth / Space Exploration
Apr 16, 2012 |
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Space mountain produces terrestrial meteorites
When NASA's Dawn spacecraft entered orbit around giant asteroid Vesta in July, scientists fully expected the probe to reveal some surprising sights. But no one expected a 13-mile high mountain, two and a half ...
Space & Earth / Space Exploration
Jan 02, 2012 |
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Meteorites from 2008 TC3 still giving up their secrets
It was an unprecedented event: On October 6, 2008, asteroid 2008 TC3 was spotted by the Catalina Sky Survey Telescope in Arizona. Plotting its trajectory, astronomers knew the 80-ton rock was heading for a ...
Space & Earth / Space Exploration
Nov 01, 2011 |
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Planets smashed into dust near supermassive black holes
(PhysOrg.com) -- Fat doughnut-shaped dust shrouds that obscure about half of supermassive black holes could be the result of high speed crashes between planets and asteroids, according to a new theory from ...
Oct 28, 2011 |
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Almahata Sitta meteorites could come from triple asteroid mash-up
(PhysOrg.com) -- Analysis of fragments of the Almahata Sitta meteorite, which landed in Sudan in 2008, has shown that the parent asteroid was probably formed through collisions of three different types of ...
Space & Earth / Space Exploration
Oct 07, 2011 |
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Impact mitigation
The save-the-Earth rehearsal mission Don Quijote, commissioned by the European Space Agency, is planned to test the potential of a real life-or-death mission to deflect a mass-extinction-inducing asteroid from a colli ...
Space & Earth / Space Exploration
Aug 15, 2011 |
4.8 / 5 (10) |
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Swift and Hubble probe an asteroid crash (w/ video)
(PhysOrg.com) -- Late last year, astronomers noticed an asteroid named Scheila had unexpectedly brightened, and it was sporting short-lived plumes. Data from NASA's Swift satellite and Hubble Space Telescope ...
Space & Earth / Space Exploration
Apr 28, 2011 |
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When is a comet not a comet? Rosetta finds out
(PhysOrg.com) -- It was a case of celestial hit and run. Two asteroids, both in the wrong place at the wrong time. The result: one big trail of debris and a case of mistaken identity. Now, however, ESA’s ...
Space & Earth / Space Exploration
Oct 14, 2010 |
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Bizarre X-shaped intruder linked to an unseen asteroid collision (w/ Video)
Last January astronomers thought they had witnessed a fresh collision between two asteroids when images from the NASA/ESA Hubble Space Telescope revealed a bizarre X-shaped object at the head of a comet-like ...
Oct 13, 2010 |
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Russia in secret plan to save Earth from asteroid: official
Russian scientists will soon meet in secret to work on a plan for saving Earth from a possible catastrophic collision with a giant asteroid in 26 years, the head of Russia's space agency said Wednesday.
Space & Earth / Space Exploration
Dec 30, 2009 |
4.2 / 5 (33) |
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Spacecraft Could Save Earth from Asteroids
(PhysOrg.com) -- British space engineers working for a space company in Stevenage in England, have designed a "gravity tractor" spacecraft to deflect any asteroids threatening to collide with Earth. The announcement ...
Space & Earth / Space Exploration
Sep 04, 2009 |
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Powerful New Technique to Measure Asteroids' Sizes and Shapes
A team of French and Italian astronomers have devised a new method for measuring the size and shape of asteroids that are too small or too far away for traditional techniques, increasing the number of asteroids ...
Feb 04, 2009 |
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