Colors Of Quasars Reveal Dusty Universe
Thursday, February 26, 2009 - 10:35
in Astronomy & Space
The vast expanses of intergalactic space appear to be filled with a haze of tiny, smoke-like "dust" particles that dim the light from distant objects and subtly change their colors, according to a team of astronomers. Knowledge of this dust will help astronomers understand galaxies, but could complicate future measurements of supernovae.