Caloris Basin is located on Mercury.
<a href="//commons.wikimedia.org/wiki/User:PlanetUser" title="User:PlanetUser">PlanetUser</a><br>NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington
2008-01-14
<a href="//commons.wikimedia.org/wiki/File:MESSENGER_first_photo_of_unseen_side_of_mercury.jpg" title="File:MESSENGER first photo of unseen side of mercury.jpg">File:MESSENGER first photo of unseen side of mercury.jpg</a>