News tagged with rocky debris

Solar systems around dead Suns?

(PhysOrg.com) -- Using NASA’s Spitzer Space Telescope, an international team of astronomers have found that at least 1 in 100 white dwarf stars show evidence of orbiting asteroids and rocky planets, suggesting ...

Space & Earth / Astronomy

Apr 20, 2009 | 4.5 / 5 (15) | 3

Geologists point to outer space as source of the Earth's mineral riches

According to a new study by geologists at the University of Toronto and the University of Maryland, the wealth of some minerals that lie in the rock beneath the Earth's surface may be extraterrestrial in origin.

Space & Earth / Earth Sciences

Oct 18, 2009 | 4.1 / 5 (11) | 5

Stars with dusty disks should harbor Earth-like worlds

Stars with disks of debris around them might be good targets to search for Earth-like planets, researchers say.

Space & Earth / Astronomy

Mar 09, 2012 | 4.5 / 5 (4) | 0 |