Test Review: Solar System

Front

What happens to the gravitational pull between Earth and a spacecraft as it travels to the edge of the Solar System?

Back

The gravitational pull between Earth and the spacecraft will decrease.

Front

What causes the phases of the Moon?

Back

The phases of the Moon are caused by the Moon’s orbit around Earth.

Front

What is the Milky Way?

Back

The Milky Way is the name of our Galaxy.

Front

If an object is 3 AU from the Sun, what does that mean?

Back

It is 3 times farther away from the Sun than Earth is.

Front

Which planets are considered rocky planets in our Solar System?

Back

The rocky planets are Mercury, Mars, Earth, and Venus.

Front

What is an AU (Astronomical Unit)?

Back

An AU is the average distance from the Earth to the Sun, approximately 93 million miles.

Front

What is the difference between a planet and a moon?

Back

A planet orbits a star, while a moon orbits a planet.

Front

What is the largest planet in our Solar System?

Back

Jupiter is the largest planet in our Solar System.

Front

What is the significance of the asteroid belt?

Back

The asteroid belt separates the inner rocky planets from the outer gas giants.

Front

What is a galaxy?

Back

A galaxy is a massive system of stars, stellar remnants, interstellar gas, dust, and dark matter.