View source for planetesimal

{{also|planétésimal}}
==English==
{{wikipedia}}

===Etymology===
Formed from {{m|en|planet}} by analogy with {{m|en|infinitesimal}}.

===Noun===
{{en-noun}}

# {{lb|en|astronomy}} Any of many small, solid [[astronomical]] objects that orbit a [[star]] and form [[protoplanet]]s through mutual [[gravitational]] [[attraction]].

====Derived terms====
* [[protoplanetesimal]]

====Translations====
{{trans-top|a small, solid astronomical object}}
* Georgian: {{t|ka|პლანეტოშენადედი}}
* German: {{t+|de|Planetesimal|n}}
* Polish: {{t+|pl|planetozymal|m}}
* Portuguese: {{t|pt|planetesimal|m}}
* Russian: {{t+|ru|планетезима́ль|f|tr=planetɛzimálʹ}}
{{trans-bottom}}

====See also====
* {{l|en|protoplanet}}
* {{l|en|planetoid}}
* {{l|en|minor planet}}
* {{l|en|dwarf planet}}
* {{l|en|major planet}}
* {{l|en|superplanet}}
* {{l|en|planet}}
* {{l|en|planemo}}
* {{l|en|mesoplanet}}
* {{l|en|asteroid}}

===Adjective===
{{en-adj|-}}

# {{lb|en|astronomy}} Being or relating to one of these astronomical objects.
#: ''a '''planetesimal''' body''

==Spanish==

===Adjective===
{{es-adj-old|pl=planetesimales}}

# {{l|en|planetesimal}}