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As an overall brief of low cost alternatives to allow efficient access to space,.. it does well.
Yet, even since that time... NASA has shown that the Van Allen radiation belts are more dynamic than first assumed... 8)
Yet, even since that time... NASA has shown that the Van Allen radiation belts are more dynamic than first assumed... 8)
Jun 07, 2012
Bruce
marked it as to-read
Jun 11, 2012
AmyBeth Inverness
marked it as to-read
Jun 21, 2012
Frank A
marked it as to-read
