Space Physics

During their lives, stars undergo massive changes. What happens to them depends on how much mass they contain.

Can you put the stages that a low mass star and a high mass star will go through in the correct order on the diagram?

Our Solar System contains 8 planets. But which is closest to the Sun? And which is furthest away?

Complete this challenge to show the order of the planets.

What do you know about classifying galaxies? Challenge yourself with this quiz.

A star system consists of a star and the objects that orbit it. A galaxy contains millions of stars and star systems. But how much do you know about our own Solar System? Take our quiz to find out!

Think you have an astronomical amount of knowledge about space? Test your knowledge using this quiz.