To: jazusamo
Brianna Wu must've read Heinlein's Moon is a Harsh Mistress and thinks it is for real ....
7 posted on
02/28/2017 3:16:00 PM PST by
Ken522
To: Ken522
It is for real. The Moon sits at the top of a deep gravity well. It takes very little energy to launch a payload from the Moon. But by the time that payload gets to Earth, it can pack enough kinetic energy to wipe out a city.
14 posted on
02/28/2017 3:20:23 PM PST by
Publius
("Who is John Galt?" by Billthedrill and Publius available at Amazon.)
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