Tirawa (crater)

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This Cassini image of Rhea shows Tirawa straddling the terminator
This Cassini image of Rhea shows Tirawa straddling the terminator

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.[1]

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.[2]

[edit] References

  1. ^ NASA Cassini Image: Tirawa at Twilight | SpaceRef - Space News as it Happens
  2. ^ http://www.lpi.usra.edu/meetings/lpsc2007/pdf/1958.pdf
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