Herschel Mission Finds Galactic Growth Slow and Steady
NASA – The Herschel Infrared Space Observatory discovered that galaxies do not always need to collide with each other to drive vigorous star birth. The finding overturns a long-held assumption and paints a more stately picture of how galaxies evolve. The new results are based on Herschel’s observations of two patches of sky, each about one-third the size of the full moon.
These observations are unique because Herschel can obtain data at a wide range of infrared light and reveal a more complete picture of star birth than ever seen before.
Herschel is a European Space Agency cornerstone mission, with science instruments provided by consortia of European institutes and with important participation by NASA JPL, which contributed mission-enabling technology for two of Herschel’s three science instruments. Image Credit: ESA–AOES Medialab
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