Mosaic of Narrow Angle Camera (NAC) frames from the MESSENGER spacecraft showing part of the central peak ring of Raditladi crater on Mercury.  Landforms known as <i>hollows</i> are evident in many parts of the image, especially a cluster below center.  The index map in lower right corner shows the approximate location of the NAC images.<br>
Source images:  EN0220979975M, EN0220979981M,EN0220979987M, EN0220979993M, EN0220979999M
James Stuby using NASA images
<a rel="nofollow" class="external text" href="https://pilot.wr.usgs.gov/">PILOT</a>, Planetary Image Locator Tool, USGS Astrogeology Science Center