Sun, Planets, Space Objects

Match it! Select the correct answer from the pull down...Good luck!

Model that says earth is the center of the solar system

How long ago did the solar system form?

Where does nuclear fusion occur in the sun?

Planets that are much larger, but do not have solid surfaces.

What planet once had liquid water?

This consists of the sun, planets, their moons, and a variety of smaller objects.

What planet is closest to the sun?

Dark regions on the suns surface