jul 242012
 
Lunar Surface Protected by 'Deflector Shields'

  Scientists from RAL Space at the Rutherford Appleton Laboratory have solved a lunar mystery and their results might lead the way to determining if the same mechanism could be artificially manipulated to create safe havens for future space explorers.  Their work focussed on the origin of the enigmatic “lunar swirls” – swirling patches of [continue reading]

mrt 272012
 
Comet Wild2: First Evidence of Space Weathering

The traditional picture of comets as cold, icy, unchanging bodies throughout their history is being reappraised in the light of analyses of dust grains from Comet Wild2. A team led by the University of Leicester has detected the presence of iron in a dust grain, evidence of space weathering that could explain the rusty reddish [continue reading]