Archived Blog Post: March 14, 2005

'Red and dead' galaxies surprise astronomers: "This enormous energy is thought to heat the gas remaining throughout the galaxy to tens of millions of degrees. [...] 'Eventually the gas is so hot, it is no longer bound to the galaxy and simply starts to flow out to space,' Hernquist told New Scientist, a process that takes about 10 million years. When it is over 'star formation is turned off'"