[ExI] Packing for Mars

[Darin Sunley]

The two-stage-to-orbit Mars Ascent Vehicles from "The Martian" seem
perfectly feasible, given a billion dollars or two worth of R&D to work out
the little details.

On Fri, Apr 9, 2021 at 1:16 PM spike jones via extropy-chat <
extropy-chat at lists.extropy.org> wrote:

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> > *On Behalf Of *Adrian Tymes via extropy-chat
> *Subject:* Re: [ExI] Packing for Mars
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> On Fri, Apr 9, 2021 at 9:55 AM spike jones via extropy-chat <
> extropy-chat at lists.extropy.org> wrote:
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> Billw…
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> >…We know quite well how to get back up.  It just hasn't been done yet, as
> it would be expensive to do so, and we haven't yet had anything we deemed
> worth the expense….
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> Adrian what do you have in mind?
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> spike
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