protoplanet – מילון אנגלי-אנגלי
protoplanet
n.
cloud of cosmic gas and dust that orbits a star and is in the process of condensing to form a planet (Astronomy)
Protoplanet
A
protoplanet is a large planetary embryo that originated within a
protoplanetary disc and has undergone internal melting to produce a differentiated interior. Protoplanets are thought to form out of kilometer-sized
planetesimals that gravitationally perturb each other's orbits and collide, gradually coalescing into the dominant
planets.
Protoplanet
The name given to a
planet in the process of formation. As yet, no conclusive observations have been made of one.
protoplanet
s.
protoplanet (Astronomi)
protoplanet
n.
sky af kosmisk gas og støv der kredser omkring en stjerne og som er i en proces hvor det kondenserer til at danne en planet (Astronomi)