This is the type of study that helped to direct comet hunters where to search.
DON MACHHOLZ
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“Well, I’m an astronomer, and to me a beautiful sunset sky has no clouds at all.”Don Machholz Podcast-98-Map-1-Evening-SkyDownload Podcast-98-Map-2-Morning-SkyDownload Podcast-98-Map-3-M52Download
LUWD #0000 - PRETEST Pretest for new astronomy podcast by American amateur astronomer, Don Machholz. BUSINESS [email protected]
This is brought to you by the motions of the planets.– DON MACHHOLZ Podcast-50-Map-1Download Podcast-50-Map-2Download Podcast-50-Map-3Download