Ancient Galaxy Cluster Still Producing Stars
Star formation in the Galaxy Cluster CIG J02182-05102. (Credit: Spitzer Space Telescope, IRAC, MIPS/Subaru/NASA/JPL-Caltech/K Tran & C. Papovich (Texas A&M University)) ScienceDaily (Aug. 23, 2010) — Much like quiet, middle-aged baby boomers peacefully residing in some of the world's largest cities, families of some galaxies also have a hidden wild youth that they only now [...]

