Porter (Martian crater)
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| Porter | |
|---|---|
 Porter crater rim, as seen with Mars Global Surveyor. |
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| Planet | Mars |
| Region | Aonia Terra |
| Coordinates | 50°48′S 113°54′W / 50.8°S 113.9°WCoordinates: 50°48′S 113°54′W / 50.8°S 113.9°W |
| Diameter | 105 km |
| Eponym | Russell W. Porter |
Porter is a large-scale impact crater in the Thaumasia quadrangle on the planet Mars, situated in Aonia Terra at 50.8° south and 113.9º west. The impact caused a bowl 105 kilometres (65 mi) across. The name was chosen in 1973 by the International Astronomical Union in honour of the US astronomer and explorer, Russell W. Porter (1871-1949).[1]
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