The Moon: A Giant Step in Geology - part 21 of 41. Documentation of the first lunar landing and rock samples brought back by astronauts have unlocked many mysteries of moon geology. This film shows scientists at Houston's Lunar Receiving Laboratory analyz
1970s: meteoroids in space. Meteoroid headed towards the moon. Hammer smashes rock. Surface of moon photo. Slow motion mallet smashes rock sample. Object impacts in dust