Astronomy:Thira (crater)

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Thira crater 435S06.jpg
Viking Orbiter 1 image with Thira below center
CoordinatesCoordinates: 14°28′S 175°59′W / 14.47°S 175.98°W / -14.47; -175.98
Diameter21.84 km (13.57 mi)
The rim of Thira crater seen by the Spirit rover from the summit of Husband Hill

Thira is a crater on Mars. It is located within the larger crater Gusev. It measures approximately 21.84 kilometres (13.57 mi) in diameter and was named after the town of Fira on the island of Santorini in Greece.[1]

Thira is located about 20 km (12 mi) east of the landing site of NASA's Spirit rover. The rim of the crater can be seen in the distance in images taken by Spirit.


  1. "Thira (crater)". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.

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