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Protoplanetary
Meaning
Adj
●
In Astronomy:
Of or
pertaining
to a protoplanet.
●
Relating to a
stage
in the life of a
red
giant star
or its
protoplanetary nebula
during the
star
's
final
stages
of life
Sourced from
Wiktionary
Related
Protostars
Cometary
Orbiting
Supermassive
Supernova
Carbonaceous
Circumstellar
Accretion
Nebular
Photosphere
Neutron Stars
White Dwarf
Solar Nebula
Gravitational Collapse
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