<p>Picture from Hubble taken on December 17, 2010. In April 2011, the <a href="https://en.wikipedia.org/wiki/Federal_government_of_the_United_States" class="extiw" title="w:Federal government of the United States">United States government</a> <a href="https://en.wikipedia.org/wiki/list_of_space_agencies" class="extiw" title="w:list of space agencies">space program</a> agency <a href="https://en.wikipedia.org/wiki/National_Aeronautics_and_Space_Administration" class="extiw" title="w:National Aeronautics and Space Administration">NASA</a> celebrated its 21st anniversary by releasing an image of <a href="https://en.wikipedia.org/wiki/spiral_galaxies" class="extiw" title="w:spiral galaxies">spiral galaxies</a> positioned in a <a href="https://en.wikipedia.org/wiki/Rose_(symbolism)" class="extiw" title="w:Rose (symbolism)">rose-like shape</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1">[1]</a></sup></p>
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<ol class="references"><li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><cite style="font-style:normal"> (<span class="mw-formatted-date" title="2011-04-20">April 20, 2011</span>). "<a rel="nofollow" class="external text" href="http://www.nasa.gov/mission_pages/hubble/science/hubble-rose.html">NASA's Hubble Celebrates 21st Anniversary with 'Rose' of Galaxies</a>". <i><a href="//commons.wikimedia.org/wiki/NASA" title="NASA">NASA</a></i>.</cite></span>
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NASA-hubble
<a rel="nofollow" class="external free" href="http://hubblesite.org/gallery/album">http://hubblesite.org/gallery/album</a>