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سیاره کوتوله

Also known as dwarf planets

planetary-mass object in hydrostatic equilibrium which is not a satellite of another one, but which has still not significantly cleared its neighborhood to dominate it gravitationally and maintain its cohesion

AI overview

A dwarf planet is a space object massive enough to be round due to its own gravity, but unlike the eight major planets, it hasn't cleared away other objects from its orbital path. Dwarf planets matter because they help us understand the diversity of objects in our solar system and reveal how planets form and organize themselves.

AI-generated from the Wikipedia summary — may contain errors.