The Sun Answers

Which statements describe prominences? Check all that apply.Prominences are dark, cool areas on the surface of the Sun.Prominences are composed of cool, dense gas.Prominences can disturb radio communications on Earth.Prominences cycle over an 11-year period.Prominences are loop shaped.Prominences appear in groups.

The distance from the Earth to the Sun equals 1 AU. Neptune is 30 AU from the Sun. How far is Neptune from the Earth?[___]AU