Northern Ireland Key Stage 4

Though they shine for many thousands, and even millions of years, stars do not last for ever. They ignite, burn, and then run out of fuel and go out. 

Can you match the images of each stage of a star's existence to the correct description?

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.

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!