... Cosmic Adventures . ... Dave's Universe . ... J. Richard Gott on The Cosmic Web . ... Astronomers find evidence of cosmic climate change . ... They measured the temperature of gas that lies in between galaxies and found a clear indication that it had increased steadily over the period from when the universe was one-tenth to one-fourth of its current age. ... The team, led by Becker, was able to measure the temperature of this gas using the light from distant objects called quasars. ...