Front

What is the smallest planet in our solar system?

Back

Mercury is the smallest planet in our solar system.

Front

Which planet is closest to the Sun?

Back

Mercury is the closest planet to the Sun.

Front

Which planet rotates in the opposite direction to most planets?

Back

Venus rotates in the opposite direction to most planets.

Front

What is the only planet known to support life?

Back

Earth is the only planet known to support life.

Front

Why is Venus considered the hottest planet?

Back

Venus is the hottest planet because its thick atmosphere is mostly made of Carbon Dioxide.

Front

What are the four inner planets?

Back

The four inner planets are Mercury, Venus, Earth, and Mars.

Front

What is the main component of Earth's atmosphere that supports life?

Back

Oxygen is the main component of Earth's atmosphere that supports life.

Front

Which planet is known for its red color?

Back

Mars is known for its red color.

Front

What is the temperature on Venus primarily due to?

Back

The temperature on Venus is primarily due to its thick atmosphere trapping heat.

Front

How long does it take Mercury to orbit the Sun?

Back

Mercury takes about 88 Earth days to complete one orbit around the Sun.