Could this entrance have been triggered by a meteor falling over a lava
tube?
http://hirise.lpl.arizona.edu/ESP_023531_1840
and click on this one in your browser for maximum detail:
http://hirise.lpl.arizona.edu/images/2011/details/cut/ESP_023531_1840.jpg
Lee Skinner
How much of the missing material has disappeared via the pit into the
underground cavern? I'd say all of it. Symmetry remarkable. Would be
nice to know how steep that slope is. -- Mixon
The only thing worse than being talked about is not being talked
Could this entrance have been triggered by a meteor falling over a lava
tube?
http://hirise.lpl.arizona.edu/ESP_023531_1840
and click on this one in your browser for maximum detail:
http://hirise.lpl.arizona.edu/images/2011/details/cut/ESP_023531_1840.jpg
Lee Skinner
Could this entrance have been triggered by a meteor falling over a lava
tube?
http://hirise.lpl.arizona.edu/ESP_023531_1840
and click on this one in your browser for maximum detail:
http://hirise.lpl.arizona.edu/images/2011/details/cut/ESP_023531_1840.jpg
Lee Skinner