The Solar System

Front

What is the system that says Earth and the planets revolve around the sun?

Back

Heliocentric

Front

What are the outer planets also called?

Back

Gas giants

Front

What does one day on a planet represent?

Back

The time it takes to rotate one time on its axis.

Front

Why are the inner planets small and rocky?

Back

All of the answers: Most water evaporated so ice could not form, they have low mass, and weak gravity that couldn't hold gases.

Front

What does 1 AU equal?

Back

93,000,000 miles.

Front

What are the four terrestrial planets in our solar system?

Back

Mercury, Venus, Earth, and Mars.

Front

What is the main component of the Sun?

Back

Hydrogen.

Front

What is the largest planet in our solar system?

Back

Jupiter.

Front

What is the asteroid belt?

Back

A region of space between Mars and Jupiter where most asteroids are found.

Front

What is a comet primarily made of?

Back

Ice, dust, and rocky material.