Friday, April 22, 2005

New Tethys Image: North and South on Tethys

CICLOPS has released this great, medium resolution view of Tethys taken a few hours after closest approach during the Tethys non-targeted encounter last month. The view shows a region of Tethys south and east of Odysseus basin. What is noticable geologically is the dichonomy between the heavily crater northern terrain and the less cratered plains to the south. In addition, the craters in this more sparcely crater region appear to be filled in and subdued, suggesting increased viscous relaxation in this area, perhaps due to a higher heat flow in this region.

The image was taken from a distance of 200,000 km and has a resolution of about 1 km/pixel, making it one of the better images taken so far of this satellite.


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