<a rel="nofollow" class="external text" href="https://planetarynames.wr.usgs.gov/Feature/3098">Koti Fluctus</a> (lava flow) and <a rel="nofollow" class="external text" href="https://planetarynames.wr.usgs.gov/Feature/3563">Madderakka Corona</a> (it's source; volcanic feature) on Venus. <a href="https://en.wikipedia.org/wiki/Magellan_(spacecraft)" class="extiw" title="en:Magellan (spacecraft)">Magellan</a> radar image mosaic. Width of the image is about 650 km. <a rel="nofollow" class="external text" href="http://www.mapaplanet.org/explorer-bin/explorer.cgi?map=Venus&amp;layers=venus_magellan_fmap_leftlook&amp;info=YES&amp;advoption=YES&amp;lines=1408&amp;samples=1398&amp;sizeSelector=resolution&amp;Resolution=176&amp;projection=SINU&amp;grid=none&amp;stretch=none&amp;resamp_method=bilinear_interpolation&amp;north=15&amp;west=313&amp;east=321&amp;south=7&amp;center=&amp;center_lat=0">Original image</a> was cropped and brightness-adjusted.
NASA
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