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Mars Sample Return
StargazeInWonder
post Mar 31 2024, 10:45 PM
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I would add that docking in Mars orbit is something new. That would make Mars EDL and Mars orbit docking new.

Agreed, almost nothing here seems truly new, but some aspects, like ERO, are operations that have been accomplished before, but have new parameters in this case. Rather than say that there are four completely original actions required here, it's more like six or seven that have been done before but have some new element or factor here. Is ERO from Mars orbit really harder than from an asteroid? Seems like no – just a little.

And given that two sample returns to Earth have had technical issues, it highlights that none of this is without significant risk.

It really seems like it's all quite doable – just a lot of new and newish risks in a sequence that has to be pretty infallible or those Perseverance samples end up somewhere we'd never get them back.
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bobik
post Apr 1 2024, 05:59 AM
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QUOTE (mcaplinger @ Mar 31 2024, 08:10 PM) *
You'd think there would be more recent papers by now, but I haven't found them.

I have the impression that information on the MAV design has died down since industrial contracts have been issued.
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