Hubble Frontier Fields view of Abell 2744 (Pandora's Cluster).
<a href="https://en.wikipedia.org/wiki/National_Aeronautics_and_Space_Administration" class="extiw" title="w:National Aeronautics and Space Administration">NASA</a>, <a href="https://en.wikipedia.org/wiki/European_Space_Agency" class="extiw" title="w:European Space Agency">ESA</a>, and R. Dupke (<a href="https://en.wikipedia.org/wiki/Eureka_Scientific" class="extiw" title="w:Eureka Scientific">Eureka Scientific, Inc.</a>), et al.
2013-10-24
HubbleSite: <a rel="nofollow" class="external text" href="http://hubblesite.org/newscenter/archive/releases/2013/44/image/b/">NewsCenter</a>