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Mariner 10 image showing scarps in the southeast Tir Planitia region of Mercury. These scarps may be volcanic flow features or compressional faults. The frame is about 130 km across
|Eponym||Norse word for Mercury|
Tir Planitia is a large basin on Mercury.
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|This article about an extraterrestrial geological feature is a stub. You can help Wikipedia by expanding it.|