clsp12p03_grail-a-and-b-orbit

Published May 9, 2012 at 950 × 713 in Headlines

GRAIL-A and GRAIL-B orbit the moon 34 miles above its surface, sending information back to Earth.

GRAIL-A and GRAIL-B orbit the moon 34 miles above its surface, sending information back to Earth. Courtesy of NASA/JPL-Caltech.  More »