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Comet Planet

(planet with some characteristics of a comet)

The term Comet Planet has been used for bodies with some characteristics of a comet and others of a planet. Examples are Extra-Solar Planets that show a tail, and/or that have eccentric Comet-like orbits, yet appear to be rocky or possibly to have a rocky core as would a planet. An example is Gliese 436 b which appears to show a tail.


(planet type)
http://en.wikipedia.org/wiki/Gliese_436_b

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