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.

Which statements describe the effects of the solar wind on Earth? Check all that apply.The solar wind produces the northern and southern lights.The solar wind can cause the formation of new elements.The solar wind causes temperature changes on Earth's surface.The solar wind disrupts communication systems.The solar wind distorts Earth's magnetic field.

The distance between the Earth and the Sun is quite large. Which numbers are correct distances between them? Check all that apply.93 million kilometers93 million miles93 million AU149.6 million kilometers149.6 million miles149.6 million AU

Which phenomena help form Earth’s magnetic field? Check all that apply.weather on Earth’s surfacerotation of Earth on its axismetal liquifying in the inner corerevolutions of Earth around the Sunrock solidifying in the outer mantlemotion of metal in Earth’s outer core