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Nebular hypothesis
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星雲仮説
(cosmology) a theory proposing that the solar system formed from a rotating nebula of gas and dust about 4.6 billion years ago
例
Astronomers use evidence from other star systems to support the nebular hypothesis.
Studying planetary systems in our galaxy helps refine the nebular hypothesis.
According to the nebular hypothesis, the planets formed from the leftover material.
The nebular hypothesis is one of the leading theories of solar system formation.
The nebular hypothesis suggests how our solar system formed.
