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| Description: (b) Only about half the Caloris Basin appears here because it happened to lie on the terminator when the Mariner 10 spacecraft sped past the planet. Although the center of the impact basin is hidden in the shadows (just beyond the left side of the picture), several semicircular rings of mountains reveal its extent Picture Stats: Views: 652 Filesize: 421.05kB Height: 900 Width: 738 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=16002 |