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CfA Press Releases Weekly Science Updates 2013 2012 2011 2010 2009 2008 2007 2006 Other News Features All News	Weekly Science Update Water and Ammonia Factories The young star forming region L1157 as seen by the Spitzer Space Telescope. A new chemical study has been able explain the relative abundances of water and ammonia in this region. Credit: NASA/JPL-Caltech/UIUC Low Resolution Image (jpg) Back to Science Update
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