Comet Hale-bopp
by Gordon Garradd/science Photo Library
Title
Comet Hale-bopp
Artist
Gordon Garradd/science Photo Library
Medium
Photograph - Photograph
Description
Comet Hale-Bopp. Coloured optical image of comet Hale-Bopp (at lower right) with the galaxy M14 in the background at upper left. A comet is a ball of ice and dust that has an eccentric orbit around the Sun. As it approaches the Sun its surface evaporates, releasing a tail of dust and vapour that can be millions of kilometres in length. The tail always points away from the Sun, whatever direction the comet is travelling in. Comet Hale- Bopp was discovered on 23 June 1995 and is pred- icted to be brightest in the sky in March 1997. Image taken on 23 October 1996; by this time water vapour has just begun to sublimate off the surface.
Uploaded
September 13th, 2018
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