Acheron Fossae
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| Coordinates | 37°40′N 135°52′W / 37.67°N 135.87°WCoordinates: 37°40′N 135°52′W / 37.67°N 135.87°W |
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Acheron Fossae is a trough in the Diacria quadrangle of Mars. Its location is centered at 37.67° north latitude and 135.87° west longitude. It is 718 km long and is named after a classical albedo feature at 35°N, 140°W .[1] The trough has seen intensive tectonic activity in the past.
Topography map of Acheron Fossae
Acheron Fossae Dissected Crater, as seen by HiRISE. Part of eroded floor is shown in image.
Acheron Fossae, as seen by HiRISE. Scale bar is 1000 meters long. Click on image to see dark slope streaks.
One theory is dark sand flowed down the slopes of Acheron Fossae. However, they lighten in color over time.[2]
Channel in Acheron Fossae, as seen by HiRISE under HiWish program
Channels, as seen by HiRISE under HiWish program
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References
- ↑ http://planetarynames.wr.usgs.gov
- ↑ Nemiroff, R.; Bonnell, J., eds. (1 March 2010). "Slope Streaks in Acheron Fossae on Mars". Astronomy Picture of the Day. NASA.
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