Astronomy Quiz 1 Review

Earth and Venus are considered "sister planets" because...

• they both have oceans.

• they both have one moon.

• they're similar in size.

• This isn't true.

The largest planet is...

These planets are closer to the Sun than Earth.

• Saturn

• Mercury

• Mars

• Venus

What do comets, asteroids, and planets have in common?

• They are all made of metal and dust.

• They are all made of rock and ice.

• They all orbit Earth.

• They all orbit the Sun.

This planet has the most visible rings.

The inner planets are all...

• closer together and rocky

• farther apart and gaseous

• closer together and gaseous

• farther apart and rocky

What is it called when a planet or object orbits around the Sun?

• rotation

• revolution

• rebound

The moon is bigger than the Earth.

• True

• False

This is smaller than our moon.

• asteroid

• Sun

• Earth

Which planet once had water on its surface?

• Mercury

• Jupiter

• Mars

• Uranus