Astronomy:Tantalus Fossae

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Tantalus Fossae
Tantalus Fossae based on THEMIS Day IR.png
Tantalus Fossae based on THEMIS day-time image
LocationArcadia quadrangle
CoordinatesCoordinates: 50°54′N 97°30′W / 50.9°N 97.5°W / 50.9; -97.5
Length2,400 km
NamingClassical albedo feature
Map of Arcadia quadrangle with major features labeled. Several large cracks called Fossae are in this area.

Tantalus Fossae is a group of troughs in the Arcadia quadrangle of Mars, located at 50.9° north latitude and 97.5° west longitude. They are about 2,400 km long and was named after an albedo feature at 35N, 110W.[1] Troughs like this one are called fossae on Mars.


  1. "Tantalus Fossae". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.