When the moon is in the umbra, it is hidden from the sundra."
Don Machholz
"It is one of the most interesting features on the moon."-Don Machholz
"We have a meteor shower coming up this week that almost no one knows about, but it is one of the most active of...
Then some smart-aleck says: “I thought Tranquility base was a Hollywood soundstage”– DON MACHHOLZ Podcast-59-Map-1-Evening-SkyDownload Podcast-59-Map-2-Mornng-SkyDownload Podcast-59-Map-3-Tranquility-BaseDownload
