NASA'S Spitzer Finds Distant Galaxies Grazed On Gas
Updated: 2011-06-30 22:36:55
On Orbit: Galaxies once thought of as voracious tigers are more like grazing cows, according to a new study using NASA's Spitzer Space Telescope. Astronomers have discovered that galaxies in the distant universe continuously ingested their star-making fuel over long periods of time. This goes against previous theories that galaxies devoured their fuel in quick bursts after run-ins with other galaxies. read more