Take the next step
If you enjoyed this course, why not explore the subject further with our paid-for short course, Science: galaxies, stars and planets?
Find out more about Science: galaxies, stars and planets. [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)]
Elsewhere on OpenLearn
You can find many more free resources and courses on the OpenLearn site. You might be particularly interested in these free courses: