Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
planetessimal .
Etymologies
Sorry, no etymologies found.
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Examples
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The moon exists due to an improbable collision with a Mars-size object 4 billion years ago near the end of the period when planetessimals had reached planetary size.
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The moon exists due to an improbable collision with a Mars-size object 4 billion years ago near the end of the period when planetessimals had reached planetary size.
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