Comet Halley in False Color Target Name:   Comet Halley Produced by:   Calvin J. Hamilton and NASA Copyright:  © 1999 Calvin J. Hamilton Date Released:  14 August 1999 (Publisher Permission Request)

• Comet Halley

This image of Halley's Comets was taken during its 1986 appearance. False-color digital enhancement was used to permit measurement of slight brightness differences.