“Comets are scattered around the sky.”Don Machholz Podcast-95-Map-1-Evening-SkyDownload Podcast-95-Map-2-Morning-SkyDownload Podcast-95-Map-3-Evening-SkyDownload Podcast-95-Map-4-Morning-SkyDownload
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
"Look for the Seeliger effect, when the rings brighten for a few days."Don Machholz
