A planet is an astronomical body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals. [ https://en.wikipedia.org/wiki/Planet http://solarsystem.nasa.gov/planets/whatisaplanet ]

This is just here as a test because I lose it

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Considerable debate on the definition of planet exists.

in subset

envoAstro

envoPolar

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