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Protoplanet - Meaning, Definition & English Examples

A protoplanet is a large planetary embryo that forms in the early stages of a solar system’s development. It grows by accumulating dust and gas, eventually becoming a planet.

protoplanet

/ˈproʊtoʊˌplænɪt/ /ˈprəʊtəʊˌplænɪt/

Definition:

A large body of matter in orbit around a star, developing into a planet.

Synonyms:

planetesimal, planetary embryo, pre-planet

Part of Speech:

noun

Antonyms:

star, black hole

Common Collocations:

protoplanetary disk, early solar system, planetary formation

Derivatives:

protoplanetary, protoplanetism

Usage Tips:

Use "protoplanet" to describe celestial bodies in the process of becoming planets, not fully formed ones.

Common Phrases:

early protoplanet stage, protoplanet collision, protoplanet accretion

Etymology:

From Greek "protos" (first) + "planet," meaning an early stage of planetary formation.

Examples:

  • 1. The protoplanet slowly gathered dust and gas from its surroundings.
  • 2. Scientists study protoplanets to understand how planets form.
  • 3. A collision between two protoplanets can create a larger body.
  • 4. Protoplanets often exist in young star systems with debris disks.

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