Penumbral lunar eclipses, the stars Betelgeuse and Castor, and the Quadrantids meteor shower. Pod-0001-Star-Map-For-January-8-2020Download Formation-and-Past-Evolution-of-the-Meteoroid-Complex-of-Comet-96P_MachholzDownload
William Bradfield of Australia get used to his name; he discovered 10 of the 33 comets covered in A Decade of Comets.DON MACHHOLZ Podcast-36-A-Decade-of-Comets-Part-2aDownload...
"May our galaxy wrap its arms around you. I bet no one had ever said that to you before. In fact, it is already...