planetesimals (0 synonym found)

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Definition of planetesimals:

(n) : (astronomy) Any of many small, solid astronomical objects that orbit a star and form protoplanets through mutual gravitational attraction.
(adj) : (astronomy) Being or relating to one of these astronomical objects.

Definition of planetesimals:

(n) : (astronomy) Any of many small, solid astronomical objects that orbit a star and form protoplanets through mutual gravitational attraction.
(adj) : (astronomy) Being or relating to one of these astronomical objects.

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