3 ms·
(Corrections: "within ~90% of its apogee" should be "within ~45% of its apogee", and "hits the aerogel cube at more than ~90 degrees" should be "hits the aerog
by bell-cot 2y ago
(Corrections: "within ~90% of its apogee" should be "within ~45% of its apogee", and "hits the aerogel cube at more than ~90 degrees" should be "hits the aerogel cube at more than ~135 degrees". In both cases, the useful arc is ~90 degrees.)