Unit B: The Solar System

Which of the following solar system objects contains the most mass?

• Jupiter

• Sun

• Mars

• All of the asteroids together

What is the name of this planet?

• Neptune

• Uranus

• Jupiter

• Saturn

Planets shine by their own light.

• True

• False

The planets, comets and asteroids all formed at about the same time as the Sun.

• True

• False

The planets of the solar system orbit the Sun:

• In one direction

• In two directions

• In random orbits

• Faster or slower depending on the season

The letters AU are a short form for:

• Astronomical Universe

• After Uranus

• Asteroid Ursa

• Astronomical Unit

The diameter of Earth is roughly how many times larger than the diameter of the Moon?

• Two times larger

• Ten times larger

• Fifty times larger

• Four times larger

Which of the following is not a member of the solar system?

• The planet Venus

• The Sun

• The star Rigel

• The asteroid Vesta

Which object lies furthest from the plane of the solar system?

• Mercury

• Earth

• Jupiter

• Pluto

The main asteroid belt is located between which planets?

• Mars and Jupiter

• Mercury and Mars

• Jupiter and Neptune

• Venus and Earth