Planetesimal
Definition, Meaning & Examples
Part of speech noun
Quick meaning: Planetesimal is a noun meaning (astronomy) Any of many small, solid astronomical objects that orbit a star and form protoplanets through mutual gravitational attraction.
Meaning
(astronomy) Any of many small, solid astronomical objects that orbit a star and form protoplanets through mutual gravitational attraction.
More Meanings
- (astronomy) Being or relating to one of these astronomical objects.
Example Sentences
a planetesimal body
Word Forms
- planetesimals
Related Words
Related dictionary entries include protoplanet, planetoid, planet, planemo, mesoplanet, ring.
Related Dictionary Tools
Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
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