Latest Chandra X-Ray Stories
Taking advantage of the high sensitivity of ESA's XMM-Newton and the sharp vision of NASA's Chandra X-Ray space observatories, astronomers have studied the behaviour of massive fossil galaxy clusters, trying to find out how they find the time to form.
Researchers at the University of Birmingham have used the new generation of X-ray space observatories to study fossil galaxies - ancient galaxy groups in which all of the large galaxies have gradually merged to form one central giant galaxy.
- A coin originally worth six pennies Scots, and later three; held equivalent to an English halfpenny.
- (in plural) Money; cash.