Moonlight's influence on astronomy, Charles Messier and his Objects, and the Messier Marathon.
The eclipse path for a lunar eclipse is big, about half the earth. Whoever can see the moon can see the lunar eclipse.– Don...
2021 is on your doorstep, asking you to come out and play.– DON MACHHOLZ Podcast-52-Map-1-Evening-SkyDownload Podcast-52-Map-2-Morning-SkyDownload Podcast-52-Map-3-CometsDownload Podcast-52-Map-4-BetelgeuseDownload Podcast-52-Map-5-M74Download
“This is how the Massive Marathon was invented.”-Don Machholz Podcast-109-Map-1-Evening-SkyDownload Podcast-109-Map-2-Morning-SkyDownload