Classifying

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?

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?

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