Star-birth In Ngc 2976 Spiral Galaxy
by NASA/Science Source
Title
Star-birth In Ngc 2976 Spiral Galaxy
Artist
NASA/Science Source
Medium
Photograph - Photograph
Description
NGC 2976 does not look like a typical spiral galaxy, as this NASA Hubble Space Telescope image shows. In this view of the oddball galaxy's inner region, there are no obvious spiral arms. Dusty filaments running through the disk show no clear spiral structure. A raucous interaction with a neighboring group of galaxies about 500 million years ago stripped away some gas and funneled the rest to the galaxy's inner region, fueling star birth. At the same time, the galaxy's outer regions stopped making stars because the gas ran out. Now, the inner disk is almost out of gas as new stars burst to life, shrinking the star-formation region to a small area of about 5,000 light-years around the core.
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March 14th, 2013
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