PREVIEW: MOON: Conversation with colleague Bob Zimmerman re the NASA discovery that seismometers left on the moon during the Apollo landings have recorded tens of thousands more moonquakes than previously believed. Remembering the moon is a reconstructed

PREVIEW: MOON: Conversation with colleague Bob Zimmerman re the NASA discovery that seismometers left on the moon during the Apollo landings have recorded tens of thousands more moonquakes than previously believed. Remembering the moon is a reconstructed body from a planetary collision with Earth. More later.

1968 Apollo 8