The Sky at Night

Name: The Sky at Night S11E4 - The Craters on the Moon
Uploaded: 1967-03-31
Description: Close-up photographs of prospective lunar landing-sites are rapidly increasing our knowledge of the moon's surface. But how strong is the evidence that the lunar craters were formed by the same kind of volcanic activity as Earth calderas? Patrick Moore puts this question to a geologist, Dr. G.J.H. McCall.