Star Formation

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

What is a nebula?

Images of nebulae in space with a question mark in the centre

What is the Solar System?

An illustration of the Solar System

What is the Sun?

Pair the Stages of a Star

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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?


Identify the Nebula

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The word nebula is used to talk about any dusty, fuzzy objects in space but they can be very different things! Can you classify each image into its proper category?

Order the Stages of a Star

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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?

Star Formation Demonstration