The evidence that suggests that Uranus's moon titania underwent an active geological phase is that near its terminator, a noticeable network of fault valleys that spans almost 1,000 miles (1,609 kilometres) is discernible (shadow line) through the images taken by Voyager 2.
What proof is there that Titania, the moon of Uranus, experienced an active geological phase?
- On January 11, 1787, British astronomer William Herschel made the discovery of Titania.
- The biggest moon of Uranus is Titania. Nearly 200 years after Titania was discovered, images from Voyager 2 showed evidence of the moon's geological activity.
- Near the terminator, a noticeable network of fault valleys that spans almost 1,000 miles (1,609 kilometres) is discernible (shadow line). The troughs indicate some tectonic extension of Titania's crust since they split it in two directions. Along the valley walls that face the sun, deposits of a highly reflecting substance can be seen. These deposits could be frost.
- The diameter of the moon is approximately 1,600 kilometres or 1,000 miles. Most of the larger Uranian moons share Titania's neutral grey tint.
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