The disk-shaped cloud that formed our solar system is called the solar nebula because:
A) the concentrated mass near the center eventually forms into the Sun.
B) it is whirled around by solar wind.
C) the spinning disk was infinitely brighter than the rest of the solar system.
D) None of the above is correct.
Answer: A
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What data is used in computer models run by climate scientists, and what exactly do the models tell us?
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