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Protoplanet vs Nebular - What's the difference?

protoplanet | nebular |

As a noun protoplanet

is an astronomical object, approximately the size of the Moon, formed from the mutual gravitational attraction of planetesimals; they are thought to collide with each other and slowly form planets.

As an adjective nebular is

of or pertaining to a nebula.

protoplanet

English

Noun

(wikipedia protoplanet) (en noun)
  • An astronomical object, approximately the size of the Moon, formed from the mutual gravitational attraction of planetesimals; they are thought to collide with each other and slowly form planets

    • Derived terms

    * protoplanetary

    nebular

    English

    Adjective

    (-)
  • (astronomy) Of or pertaining to a nebula

    • Related terms

    * nebulosity * nebulous * nebula