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Planetesimal
Meaning
Noun
●
In Astronomy:
Any of many small,
solid
astronomical
objects
that
orbit
a star
and form
protoplanets
through
mutual
gravitational
attraction.
Adj
●
In Astronomy:
Being or
relating
to one of these
astronomical
objects.
Sourced from
Wiktionary
Related
Planetoid
Meteoroid
Protoplanet
Protoplanetary Disc
Neutron Star
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