Venus
Mars
100

What nickname does Venus have because of its similar size to Earth?

Earth's sister planet.

100

Why is Mars called the "Red planet"?

Because of the rust in its spoil and rocks?

200

What is Venus's atmosphere mostly made up of?

Carbon dioxide.

200

How many moons does Mars have?

It has 2 small moons.

300

Is Venus the closest to the sun, or the hottest in the solar system?

It is the hottest planet.

300

Is a day on Mars longer or shorter than a day on Earth?

A bit longer by 24 hours and 37 mins.

400

Does Venus rotate the same was as Earth, or does it spin backwards?

It spins backward and slowly.

400

Is gravity on Mars stronger or weaker than on Earth?

It is a bit weaker about 38% of Earth's gravity.

500

How many moons does Venus have?

Zero

500

What is the biggest volcano found on Mars?

Olympus Mona

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