January 28, 2014

A FALL OF MOONDUST: China’s Jade Rabbit Rover In Trouble. “As for what caused the malfunction, abrasive lunar dust is a top suspect. Moon soil gets ground up by micrometeoroid impacts into a glassy dust that can then become charged as it is bombarded by solar particles. During the Apollo program the sharp-edged dust grains wore through astronaut space suits, scratched up mirrors used for laser ranging experiments and caused moon buggies to overheat.”