Space/Science — HabitableZone

Space/Science » in reply to Here's a case for impact.

The secondary argument
BRFelix — (archived)

for the formations in m0903757 is possible, even probable, or the formations could have resulted from the impact of a fragemented bolide into a relatively soft surface. Could they all be sinkholes? Or could they have resulted from volcanic or outgassing processes? Possible. There is no certain evidence we be sure of remotely to prove any scenario or disprove any.

Here's one, however -- which I've brought up before -- that defies such facile categorization. Hartmann has long claimed that this is an "impact crater being exhumed." Please demonstrate any impact morphology.

http://ida.wr.usgs.gov/fullres/context/e10012/e1001271_gr.jpg


Also note the crater with the wide apparent aureole at the lower edge of the image. Is that an impact structure?

http://ida.wr.usgs.gov/html/e10012/e1001271.html

Cheers, BRF

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