Comet 67P

<p>Mosaic of four images taken by <a class="extiw" title="en:Rosetta (spacecraft)" href="https://en.wikipedia.org/wiki/Rosetta_%28spacecraft%29"><em>Rosetta</em>'s</a> navigation camera (NAVCAM) on 19 September 2014 at 28.6 km (17.8 mi) from the...See more