Definition of protoplanet in English:

protoplanet

noun ˈprəʊtəʊˌplanɪtˈprōdōˌplanit

Astronomy

A large body of matter in orbit around the sun or a star and thought to be developing into a planet.
this analysis supported the view that the moon originated from a glancing collision between the earth and another protoplanet 4,500 million years ago
Example sentencesExamples
- The protoplanet candidate orbits about 70 times further from its star than Earth does from the Sun.
- It isn't clear how the latest suspected protoplanet is being formed.
- There are indications that the surroundings of the protoplanet are potentially heated up by the formation process.
- Learning more about the protoplanet won't be fast or easy.
- Many scientists think it's a protoplanet left over from the solar system's first few million years.

Origin

1940s: from proto- + planet.

Definition of protoplanet in US English:

protoplanet

nounˈprōdōˌplanit

Astronomy

A large body of matter in orbit around the sun or a star and thought to be developing into a planet.
this analysis supported the view that the moon originated from a glancing collision between the earth and another protoplanet 4,500 million years ago
Example sentencesExamples
- It isn't clear how the latest suspected protoplanet is being formed.
- Many scientists think it's a protoplanet left over from the solar system's first few million years.
- There are indications that the surroundings of the protoplanet are potentially heated up by the formation process.
- The protoplanet candidate orbits about 70 times further from its star than Earth does from the Sun.
- Learning more about the protoplanet won't be fast or easy.

Origin

1940s: from proto- + planet.

词汇	protoplanet
释义	Definition of protoplanet in English: protoplanet noun ˈprəʊtəʊˌplanɪtˈprōdōˌplanit Astronomy A large body of matter in orbit around the sun or a star and thought to be developing into a planet. this analysis supported the view that the moon originated from a glancing collision between the earth and another protoplanet 4,500 million years ago Example sentencesExamples The protoplanet candidate orbits about 70 times further from its star than Earth does from the Sun. It isn't clear how the latest suspected protoplanet is being formed. There are indications that the surroundings of the protoplanet are potentially heated up by the formation process. Learning more about the protoplanet won't be fast or easy. Many scientists think it's a protoplanet left over from the solar system's first few million years. Origin 1940s: from proto- + planet. Definition of protoplanet in US English: protoplanet nounˈprōdōˌplanit Astronomy A large body of matter in orbit around the sun or a star and thought to be developing into a planet. this analysis supported the view that the moon originated from a glancing collision between the earth and another protoplanet 4,500 million years ago Example sentencesExamples It isn't clear how the latest suspected protoplanet is being formed. Many scientists think it's a protoplanet left over from the solar system's first few million years. There are indications that the surroundings of the protoplanet are potentially heated up by the formation process. The protoplanet candidate orbits about 70 times further from its star than Earth does from the Sun. Learning more about the protoplanet won't be fast or easy. Origin 1940s: from proto- + planet.
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