Reply to post: Re: Define "planet".

Exoplanets from another galaxy spotted – take that, Kepler fatigue!

TechnicalBen Silver badge
Headmaster

Re: Define "planet".

Many of those could be "brown dwarfs" or "Oort cloud objects". That is, collections of matter smaller than the limit needed for gravitationally sustained fusion, and bigger than a grain of sand/dust. "Planet" is a difficult definition. :P

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