News tagged with space rock

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Close encounter of the rocky kind

(PhysOrg.com) -- Discovered by a UA astronomer six years ago, a city-block sized space rock will race past the Earth closer than the moon in what will be the closest encounter of an object of this size in ...

Nov 07, 2011
5 / 5 (2) 0

Amateur skywatchers help space hazards team

For the first time, observations coordinated by ESA's space hazards team have found an asteroid that comes close enough to Earth to pose an impact threat. The space rock was found by amateur astronomers, highlighting ...

Oct 13, 2011
5 / 5 (2) 0

Amino acid alphabet soup

All life on Earth relies on a standard set of 20 amino acids to build the proteins that carry out life's essential actions. But did it have to be this way?

Aug 19, 2011
4.4 / 5 (5) 9 | with audio podcast

To an asteroid, and beyond

The asteroid 1999 RQ36 may not be a household name, but astronomers predict that in less than 200 years, it may make an unforgettable impact. According to radar and optical observations, the space rock, measuring ...

Jul 26, 2011
5 / 5 (5) 0 | with audio podcast