Ross (Martian crater)

Ross is an impact crater in the Thaumasia quadrangle of Mars located at 57.7 S and 107.84 W. It is 82.51 km in diameter. It was named after Frank E. Ross, an American astronomer (1874-1960). The crater's name was approved in 1973.[1]

This article is about the crater on Mars. For the crater on the Moon, see Ross (lunar crater).

Ross Crater

Ross Crater as seen by MOLA which shows the elevations.
Planet	Mars
Coordinates	57.7°S 107.84°W / -57.7; -107.84
Diameter	82.51 km
Eponym	Frank E. Ross, an American astronomer (1874-1960)

Gullies and polygonal patterned ground have been observed in and around Ross crater.

Images

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  Ross Crater, as seen by CTX camera (on Mars Reconnaissance Orbiter).
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  Gullies on southern wall of Ross Crater, as seen by CTX camera (on Mars Reconnaissance Orbiter). Note: this is an enlargement from the previous photo.
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  CTX image of part of Ross Crater showing context for next image from HiRISE.
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  Gullies in Ross Crater, as seen by HiRISE under the HiWish program. Because the gullies are on the narrow rim of a crater and they start at different heights, this example is not consistent with the model of gullies being caused by aquifers.
• 
  Gullies in Ross Crater, as seen by HiRISE under HiWish program

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  Group of gullies in Ross Crater, as seen by HiRISE under HiWish program
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  Close-up of gullies showing multiple channels, as seen by HiRISE under HiWish program Note: this is an enlargement of a previous image.
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  Close-up of gullies showing polygons, as seen by HiRISE under HiWish program Polygons usually form in frozen ice-rich ground. Note: this is an enlargement of a previous image.
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  Close-up of gullies showing streamlined forms in channels, as seen by HiRISE under HiWish program Note: this is an enlargement of a previous image.

• 
  Wide view of gullies in Ross Crater, as seen by HiRISE under HiWish program
• 
  Close view of many small gullies in Ross Crater, as seen by HiRISE under HiWish program Note: this is an enlargement of a previous image.
• 
  Close view of polygons near gullies in Ross Crater, as seen by HiRISE under HiWish program Note: this is an enlargement of a previous image.
• 
  Close view of polygons near gullies in Ross Crater, as seen by HiRISE under HiWish program Note: this is an enlargement of a previous image.

See also

• List of craters on Mars

References

1. "Gazetteer of Planetary Nomenclature | Ross". usgs.gov. International Astronomical Union. Retrieved 5 March 2015.