Diameter comparison of Callisto, Moon, and Earth.<br>
Scale: Approximately 29km per pixel.
<p>Apollo 17 Picture of the Whole Earth: NASA<br></p>
Telescopic Image of the Full Moon: Gregory H. Revera<br>Global View of Callisto: NASA/JPL/DLR (German Aerospace Center)
2015-03-20 03:01:46
<a href="//commons.wikimedia.org/wiki/File:The_Earth_seen_from_Apollo_17.jpg" title="File:The Earth seen from Apollo 17.jpg">The Earth seen from Apollo 17.jpg</a><br><a href="//commons.wikimedia.org/wiki/File:FullMoon2010.jpg" title="File:FullMoon2010.jpg">FullMoon2010.jpg</a><br><a href="//commons.wikimedia.org/wiki/File:Callisto.jpg" title="File:Callisto.jpg">Callisto.jpg</a>