Sirenum Fossae
Part of Sirenum Fossae based on THEMIS day-time image
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| Coordinates | 34°54′S 160°54′W / 34.9°S 160.9°WCoordinates: 34°54′S 160°54′W / 34.9°S 160.9°W |
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Sirenum Fossae is a trough in the Memnonia quadrangle of Mars, located at 34.9° south latitude and 160.9° west longitude. Sirenum Fossae is 2,735 km long and was named after a classical albedo feature name. Troughs on Mars like this one are called Fossae. Sirenum Fossae is believed to have formed by movement along a pair of faults causing a center section to drop down. This kind of feature is called a graben.
Sirenum Fossae layers, as seen by HiRISE. Scale bar is 500 meters long.
MOLA context image for the series of three images to follow of gullies in a trough and nearby crater. This image shows where the image is in relation to Mariner Crater and Sirenum Fossae.
Gullies in a trough and nearby crater, as seen by HiRISE under the HiWish program. Scale bar is 500 meters long.
Close-up of gullies in crater, as seen by HiRISE under the HiWish program.
Close-up of gullies in trough, as seen by HiRISE under the HiWish program. These are some of the smaller gullies visible on Mars.
Large pits in Sirenum Fossae, as seen by HiRISE under HiWish program.
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