Which Observation Supports the Theory That the Planets Formed from a Disk

question 9

Multiple Choice

Which observation supports the theory that the planets formed from a disk shaped nebula?

• A) The Sun is the center of the solar system.
• B) Pluto and comets follow elliptical orbits that pass inside the orbit of Neptune.
• C) The planets revolve around the Sun in approximately the same plane of the ecliptic.
• D) The rocky planets are close to the Sun.

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