The nebula hypothesis of the formation of the solar system assumes that the material that became the solar system began as a large spherical cloud of gas and dust, rotating slowly. As the solar system formed, most of this material was transformed into a compact, flattened disk, rotating more rapidly. What is the explanation for this change in shape and rate of rotation?
A. the influence of nearby stars
B. differentiation of materials easily vaporized and not easily vaporized
C. alignment with the plane of the Milky Way Galaxy
D. conservation of angular momentum
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The nebula hypothesis of the formation of the solar system assumes that the material that became the...
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