Giant ultraviolet rings found in resurrected galaxies
Wednesday, August 11, 2010 - 17:21
in Astronomy & Space
Astronomers have found mysterious, giant loops of ultraviolet light in aged, massive galaxies, which seem to have a second lease on life. Somehow these "over-the-hill galaxies" have been infused with fresh gas to form new stars that power these truly gargantuan rings, some of which could encircle several Milky Way galaxies.