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The Solar Nebula Model
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Astronomy
AST.121 The Solar Nebula Model
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What force caused the original solar nebula to begin collapsing inward?
A
Gravity pulling gas and dust toward regions of higher density.
B
Lightning permanently freezing the cloud into planets.
C
Ocean tides pushing dust grains away from the center.
D
The gravity of Earth pulling the whole cloud toward Earth.
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