Jupiter and its moons photographed in Japan. Seven moons are clearly visible in the original, the inset shows just some.
<a href="//commons.wikimedia.org/wiki/User:Urashimataro" title="User:Urashimataro">urashimataro</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>