Wednesday 30 December 2009

Flat bottomed valleys of the Uranus moon Ariel

In 1986 Voyager 2 took images of this Uranus satellite and it was found to exhibits flat profiled valleys which are characteristics of expanding surface crust when compared to similar geological features on Earth.

Due to it being the southern hemispheres summer during the Voyager 2 flyby only the bottom of Ariel could be imaged. However, later on it was discovered that due to sunlight reflected from Uranus's surface, some features of the northern hemisphere could be discerned with more analysis of the Voyager 2 data.

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