"It is rich, very rich, with stars and star clusters."
-Don Machholz
“The moon could fit inside the earth’s shadow if it wanted to.”Don Machholz Podcast-97-Map-1-Evening-SkyDownload Podcast-97-Map-2-Morning-SkyDownload Podcast-97-Map-3-Lunar-EclipseDownload
Mars will be closest to the earth on October 6, when it will be 39 million miles from the United States, and 62 million...
Once in a blue moon.DON MACHHOLZ Podcast-43-Map-1Download Podcast-43-Map-2Download Podcast-43-A-Decade-of-Comets-Part-5-1Download