Using infrared images from NASA's Spitzer Space Telescope, scientists have discovered that the Milky Way's elegant spiral structure is dominated by just two arms wrapping off the ends of a central bar of stars
<ul><li><a href="//commons.wikimedia.org/wiki/File:236084main_MilkyWay-full-annotated.jpg" title="File:236084main MilkyWay-full-annotated.jpg">236084main_MilkyWay-full-annotated.jpg</a>: NASA/JPL-Caltech/R. Hurt</li>
<li>derivative work: <a href="//commons.wikimedia.org/w/index.php?title=User:Hynek.Kocvrlich&amp;action=edit&amp;redlink=1" class="new" title="User:Hynek.Kocvrlich (page does not exist)">Hynek.Kocvrlich</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Hynek.Kocvrlich" title="User talk:Hynek.Kocvrlich"><span class="signature-talk">talk</span></a>)</li></ul>
2010-04-23 19:19
<ul><li><a href="//commons.wikimedia.org/wiki/File:236084main_MilkyWay-full-annotated.jpg" title="File:236084main MilkyWay-full-annotated.jpg">236084main_MilkyWay-full-annotated.jpg</a></li></ul>