Tag Archives: Non-Planets

These Are The 10 Largest Non-Planets In Our Solar System

by Ethan Siegel, Forbes

Astronomically, bodies within the Solar System must achieve three criteria in order to gain the much-vaunted status of planet:

  • Gravitationally pull themselves into a spheroidal shape, where they obtain hydrostatic equilibrium,
  • Orbit the Sun in an ellipse and no other smaller, parent body,
    and clear their orbit of any substantially-massed objects.

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