According to Nebular hypothesis, how does a galaxy form?
By the accumulation of hydrogen gas in the form of a very large cloud called nebula
The correct answer is By the accumulation of hydrogen gas in the form of a very large cloud called nebula.
This rotation can influence the final shape of the structure, often leading to the formation of disks in galaxies and solar systems. Composition: While hydrogen is the most abundant element by far (about 75% of the mass of ordinary matter in the universe), helium is the second most abundant (about 24%). Other elements (heavier elements) are much less common but play important roles, especially in the formation of rocky planets. The Nebular hypothesis for galaxies focuses on the bulk of the mass, which is hydrogen.
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