SJAA Ephemeris July 2011 |
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NASA has released a set of galactic images taken by the Wide-field Infrared Survey Explorer mission, aka WISE. The images were taken with 4 narrow-band filters covering the infrared range of 3.4 to 22 microns.This means that most of the light comes from warm dust. The blue areas are in the vicinity of older stars while the red or yellow areas indicate new star growth. On the next page are some statistics about the galaxies shown followed by a trivia quiz. Image Credit: NASA/JPL-Caltech/WISE Team http://wise.ssl.berkeley.edu/gallery_menagerie.html