APOD: 2007 September 28 - A Hole in Mars Close Up This is freaky. I don’t think they were sure it was a hole until they got a look at it from an angle. I love how things this far from earth (and even some things on earth) are such an unknown.

APOD: 2007 September 28 - A Hole in Mars Close Up

This is freaky. I don’t think they were sure it was a hole until they got a look at it from an angle. I love how things this far from earth (and even some things on earth) are such an unknown.