keywords: comet comets astronomy skies discovered
text: Newfound Comet Set for Winter Display (SPACE.com) SPACE.com - Donald Machholz of Colfax, \  California, an optician who has been interested in astronomy since age eight, \  discovered nine comets from 1978 through 1994. He has since spent 1,457 hours \  scanning the skies for other comets, without any luck.