Tirawa (crater)

Tirawa (crater)

Tirawa basin is a large impact crater on Saturn's moon Rhea, at 34.2°N, 151.7°E. It was glimpsed by Voyager 1 during its flyby of the moon and later photographed in greater detail by the Cassini orbiter.

Tirawa is 5 kilometers (3 miles) deep in places, as measured in NASA Voyager images, and is 360 kilometers (220 miles) across. [ [http://www.spaceref.com/news/viewsr.html?pid=17969 NASA Cassini
] ]

The crater has a slightly elliptic outline and an elongated central peak complex suggesting it was caused by an oblique impact. Tirawa overlaps another, larger and more degraded basin to its southwest. [http://www.lpi.usra.edu/meetings/lpsc2007/pdf/1958.pdf]

References


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