Elon Musk @elonmusk
Getting to space needs ~Mach 3, but GTO orbit requires ~Mach 30. The energy needed is the square, i.e. 9 units for space and 900 for orbit. — PolitiTweet.org
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Tue Nov 24 12:30:59 +0000 2015
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Likely AvailableElon Musk @elonmusk
Getting to space needs ~Mach 3, but GTO orbit requires ~Mach 30. The energy needed is the square, i.e. 9 units for space and 900 for orbit. — PolitiTweet.org