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Theophilus crater

20 Mar 2013, 01:06 UTC
Theophilus crater
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Well, good evening everyone! We are in the middle of a snow storm. Which means no observing tonight. As I hunker down and stay out of the foul weather, The Theophilus crater is a amazing structure that is estimated to have formed between 1-3 billion years ago.With prominent terraced walls.This crater measures 61 miles,and is [...]

Well, good evening everyone!
We are in the middle of a snow storm. Which means no observing tonight.
As I hunker down and stay out of the foul weather,
The Theophilus crater is a amazing structure that is estimated to have formed between 1-3 billion years ago.With prominent terraced walls.This crater measures 61 miles,and is approximately 14,000 ft deep. Contrasting it’s flat floor is a 4,000 ft tall central peak. The central peak is believed to have been formed by the bounce back of the bedrock during the initial impact. One of the best places to see the physics of large impacts is in slow-motion photographs of droplets splashing. Every major feature of impact is represented: formation of a transient crater, ejection of jets, and collapse of the transient crater. Following the collapse of the transient crater, the floor rebounds to produce a ...

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