Apparition of comet Halley in 1910

Apparition of comet Halley in 1910

Fig. 14.6 . The head region or coma of comet Halley observed on 8 May 1910 with the 1.5-meter (60-inch) telescope on Mount Wilson. The cometís tail flows to the right, away from the Sun. (Courtesy of the Hale Observatories.)

Copyright 2010, Professor Kenneth R. Lang, Tufts University