Front

What evidence do astronomers have that liquid water was present on Mars in the past?

Back

The surface has water-cut channels on it.

Front

What is the position of Mars in relation to the Sun?

Back

Mars is the 4th planet from the Sun.

Front

How long is a year on Mars compared to a year on Earth?

Back

A year on Mars is almost twice as long as a year on Earth.

Front

Why are Mars rovers referred to as 'robot geologists'?

Back

They analyze rocks and soil.

Front

Is there evidence of water on Mars?

Back

Yes, there is evidence that there was water on Mars.

Front

What are the polar ice caps on Mars made of?

Back

The polar ice caps are primarily made of water ice and carbon dioxide ice.

Front

What is the primary component of Mars' atmosphere?

Back

The primary component of Mars' atmosphere is carbon dioxide.

Front

What are the two moons of Mars called?

Back

The two moons of Mars are Phobos and Deimos.

Front

What is the largest volcano in the solar system located on Mars?

Back

The largest volcano in the solar system is Olympus Mons.

Front

What is the significance of the Valles Marineris on Mars?

Back

Valles Marineris is the largest canyon in the solar system.