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Glossary of
Astronomical Objects

Nebula
Stars
Planetary Nebula
The Sun
The Solar System
Moon
Asteroid
Crater
Comet
Globular Cluster
Galaxy
Galaxy Cluster





Michael Gallagher
9th December 2003

Comet

an icy body from the edge of the solar system. Occasionally comets come close to the Sun resulting in the vaporisation of the ice and the formation of a beautiful tail or tails.