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Hephaestus Fossae, Craters and channels in Hephaestus Fossae
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post Jun 5 2009, 11:24 AM
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More great views of Mars from Mars Express

http://www.esa.int/esaSC/SEMSKCVTGVF_index_0.html

"The High Resolution Stereo Camera on ESA’s Mars Express orbiter has obtained images of Hephaestus Fossae, a region on Mars dotted with craters and channel systems."
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Pavel
post Jun 5 2009, 04:00 PM
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That's quite a splat! The crater looks similar to Iazu crater south of Endeavor and to many craters in the northern plains. Can it be that those craters were produced by impactors hitting wet soil? I guess either there is much more ejecta in such events (perhaps due to less friction), or the wet ejecta is cemented and survives erosion better than dry ejecta.
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Posts in this topic
- Sunspot   Hephaestus Fossae   Jun 5 2009, 11:24 AM
- - Juramike   QUOTE (Sunspot @ Jun 5 2009, 07:24 AM) ht...   Jun 5 2009, 01:38 PM
- - Pavel   That's quite a splat! The crater looks si...   Jun 5 2009, 04:00 PM


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