Inner and Outer Planets

Which if the following is considered the "Red Planet"

• Mars

• Earth

• Venus

• Mercury

Why are Jupiter's striped bands different colors?

• The water on Jupiter reflects colorful starlight

• Volcanoes shoot out different colored lava on Jupiter

• Sunlight is reflected and makes a rainbow of colors on Jupiter

• Different kinds of rising and falling gases make the different colors

Which planet is known as "Earth's Twin?"

• Saturn

• Mars

• Uranus

• Venus

It takes Uranus less time than Earth to make one complete rotation.

• True

• False

Which planet is 1.00 au from the Sun?

• Mercury

• Earth

• Neptune

• Mars

Venus spins in the opposite direction of Earth.

• True

• False

How many moon does Mars have?

• 5

• 10

• 20

• 2

About how many Earths could fit inside Jupiter?

• 10

• 1,000

• 10,000

• 110

There is evidence that mars used to have water at its surface.

• True

• False

The atmosphere of Mars consists mainly of ____________.

• carbon dioxide

• oxygen

• helium

• hydrogen oxide