This is what I immediately thought of when I saw the planet drawing.pic.twitter.com/MtzKyNseht
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This is what I immediately thought of when I saw the planet drawing.pic.twitter.com/MtzKyNseht
is that..... bad? ;)
never heard of maximum buyable product 
But that does not depict progressing from one phase to another. Its just A->B
to me it shows amount of work for each step. An unmanned satellite vs an unmanned rocket vs a manned mission.
Actually, that image might not fit the blog post I'm writing. Here's the draft. https://docs.google.com/document/d/1qz006TnBKtjrFYUYM5Sx13KArpgGYiSLn1EFVqwHV-M/edit?usp=sharing … (Feel free to leave a comment!)
the question it brings up for me is, "why hasn't the space program continually leveraged its progress for greater reach?"
or in other words, "why haven't they built a moonbase to make it easier to get to Mars?"
and the step before mvp? A telescope?
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