"Yes, they have seen the moon before, but now they can see the craters."
-Don Machholz
A lot of craters on the moon look like the letter “O”– DON MACHHOLZ Podcast-80-Map-1-Evening-Sky-Northern-HemisphereDownload Podcast-80-Map-2-Morning-Sky-Northern-HemisphereDownload Podcast-80-Map-3-Evening-Sky-Southern-HemisphereDownload Podcast-80-Map-4-Morning-Sky-Southern-HemisphereDownload Podcast-80-Map-5-MoonDownload
This is the type of study that helped to direct comet hunters where to search.DON MACHHOLZ Podcast-34-Comet-Discoveries-and-Observational-SelectionDownload Podcast-34-Map-1Download Hits: 62
“If you have a group of observers with you, take bets. The winner gets to choose which will be the next object to observe.”...
