Front

What are the four smaller inner planets called?

Back

Rocky planets.

Front

What is at the center of our solar system?

Back

The Sun.

Front

Which planet is the largest in the solar system?

Back

Jupiter.

Front

What type of planets have solid surfaces and rocky cores?

Back

Terrestrial planets.

Front

Which planet has a day longer than its year?

Back

Venus.

Front

What are the outer planets primarily made of?

Back

Gas.

Front

Name the four inner planets of our solar system.

Back

Mercury, Venus, Earth, Mars.

Front

What is the main difference between inner and outer planets?

Back

Inner planets are rocky; outer planets are gas giants.

Front

Which planet is known for its prominent rings?

Back

Saturn.

Front

What is the smallest planet in our solar system?

Back

Mercury.