The Expanding Universe

Question 4 • WV-Earth and Space Science A-CR

In which order did the events forming our solar system occur?

Answer

The solar nebula became hot and dense pulling in more gas.This flattened into a rotating disk. It spun faster and faster, forming the Sun.

Gas was pulled toward the center, forming the Sun. Gas flattened into a rotating disk and became hot and dense, forming a solar nebula that spun faster and faster.

Gas flattened into a rotating disk and became hot and dense, forming a solar nebula that spun faster and faster. Gas was pulled toward the center, forming the Sun.

The solar nebula spun faster and faster and flattened into a rotating disk. Most of the gas was pulled toward the center, where it became hot and dense, forming the Sun.

Explanation

As the solar nebula collapsed under gravity, it spun faster and flattened into a rotating disk. Most of its gas then gathered at the center, where compression made it hot and dense enough to form the Sun. This sequence matches choice D.

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