The Planets All Lie in Nearly the Same Plane Resulting

question 26

Multiple Choice

The planets all lie in nearly the same plane resulting in a disk-like structure for the solar system. This disk-like structure is believed to exist because

• A) the solar nebula from which the planets formed had a disk-like structure.
• B) the bipolar flow from the young sun cleared all material out of the nebula except that in the disk.
• C) Jupiter's gravity was great enough to pull all of the other planets to the plane of its orbit.
• D) the Milky Way Galaxy from which the planets condensed has a disk-like structure