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Stars, planets, solar systems, many objects in space can start as a large unstructured nebula of gas and dust, which can coalesce into massive objects under gravitational influence.
planetesimals formed the disk
the solar nebula was 98% hydrogen and helium gas
An explosion from outside the nebula
Uranus was formed from the light gases of the outer solar nebula.
Inner planets
No. A nebula is generally much larger than a solar system. We believe that our sun and solar system came to be when a nebula collapsed under the influence of gravity, and the gas of the nebula became the Sun and our planets - and everything else.
A solar nebula is related to the formation of our Solar System, any other nebula is just a nebula.
Stars, planets, solar systems, many objects in space can start as a large unstructured nebula of gas and dust, which can coalesce into massive objects under gravitational influence.
Due to the gravitational pull towards the sun, fron when the solar system was born in a solar nebula.
planetesimals formed the disk
Yes, a solar nebula is much larger than a neutron star. In terms of objects in space, neutron stars are tiny; only a few miles across. A stellar nebula such as the one that formed the sun is light years across.
the solar nebula was 98% hydrogen and helium gas
A disk
The Protosun
An explosion from outside the nebula
The solar system was produced by solar nebula. The nebula was disrupted by an unknow substance in the air.