Wales Key Stage 4

Distances in Space

Distances to objects in space are very, very large. The nearest star (excluding the Sun), Alpha Centauri, is 41.23 trillion km, or 41,320,000,000,000 km!!

a starry background with a tape measure and the word year

What is a star?

We can see thousands of stars in the night sky - small points of light in the vastness of space. But what are stars? How do they make light? Why are they different colours? Watch this video to find out some more information about stars!

A photo of the Sun with the text What is a star? on a black background