planetesimal
See also: planétésimal
English
Etymology
Formed from planet by analogy with infinitesimal.
Noun
planetesimal (plural planetesimals)
- (astronomy) Any of many small, solid astronomical objects, that orbit a star and form protoplanets through mutual gravitational attraction
Derived terms
Translations
a small, solid astronomical object
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See also
- protoplanet
- planetoid
- minor planet
- dwarf planet
- major planet
- superplanet
- planet
- planemo
- mesoplanet
- asteroid
Spanish
Adjective
planetesimal (plural planetesimales)
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