(Phys.org) -- According to the internet hysteria surrounding the ancient Mayan calendar, an asteroid could be on its way to wipe out the world on December 21, 2012.
General Physics
Aug 7, 2012
71
0
A 100 kilometre-wide crater has been found in Greenland, the result of a massive asteroid or comet impact a billion years before any other known collision on Earth.
Space Exploration
Jun 28, 2012
4
0
(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 of rock.
Earth Sciences
Apr 25, 2012
1
0
(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 Exploration
Apr 16, 2012
2
0
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 times higher ...
Space Exploration
Jan 2, 2012
7
0
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 collision course ...
Space Exploration
Nov 1, 2011
0
0
(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 an international ...
Astronomy
Oct 28, 2011
6
0
(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 asteroids. ...
Space Exploration
Oct 7, 2011
0
0
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 collision ...
Space Exploration
Aug 15, 2011
14
0
(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 showed these ...
Space Exploration
Apr 28, 2011
10
0
