Front

What are stars mostly made of?

Back

Stars are made mostly of hot gases of hydrogen and helium.

Front

What movement causes us to see different constellations at different times?

Back

The Earth revolves around the Sun.

Front

What is the difference between asteroids and comets?

Back

Asteroids are made of rock, while comets are made of dust and ice.

Front

Why can we only see some stars at night?

Back

We only see the stars that are closest to us.

Front

How often does the Earth revolve around the Sun?

Back

The Earth revolves around the Sun once per year.

Front

What is a constellation?

Back

A constellation is a group of stars that form a recognizable pattern in the sky.

Front

What is the Milky Way?

Back

The Milky Way is the galaxy that contains our solar system.

Front

What is the difference between rotation and revolution?

Back

Rotation is when an object spins on its axis, while revolution is when it orbits around another object.

Front

What causes day and night?

Back

Day and night are caused by the Earth's rotation on its axis.

Front

What is a planet?

Back

A planet is a large celestial body that orbits a star.