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- Thu Jul 19, 2012 7:08 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: A Hole in Mars (2012 Jul 18)
- Replies: 48
- Views: 8455
Re: APOD: A Hole in Mars (2012 Jul 18)
What causes sinkholes to form on Earth? Usually it is running water (a water main break for instance). I am not sure :oops: of the surface (or sub surface) temperature profile on Mars, but if it was a cavern, then it "may" have been created by running water (provided the subsurface tempera...