Composite Image Of Comet Halley
by Royal Observatory, Edinburgh/science Photo Library
Title
Composite Image Of Comet Halley
Artist
Royal Observatory, Edinburgh/science Photo Library
Medium
Photograph - Photograph
Description
Optical image of comet Halley taken on March 12th 1986. It derives from the composition of three plates taken at blue, green and red wavelengths. The comet is characterised by two distinct tails. The plasma tail (blue at centre right) is produced by the interaction between the solar wind and the molecules of gases, such as carbon monoxide, sublimated from the nucleus. The dust tail (faint at top right) is formed by dust particles evaporated from the cometary nucleus and repelled by the radiation pressure of sunlight.
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September 16th, 2018
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