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...work with. You’ll find that a good working knowledge of the rules of indices comes in handy as well. There are activities to complete during the week to provide you with the opportunity to practice the new skills and knowledge that you acquire. With any subject practice is important but for most of us this is especially important with maths, so do attempt as many of the...

...work on trying to find as many planets as possible around the stars closest to the Sun. Galaxies tend to fall into two groups: spiral galaxies (Figure 19), such as the Milky Way, which contain stars of a variety of ages, including young stars that are still forming elliptical galaxies (Figure 20), which contain mostly older stars and look like fuzzy blobs. Spiral galaxies...

...works, and learn how to get the most out of your own night-adapted vision. Finally, you will use your new skills to make scientific measurements of variable stars. The course lasts 24 hours, with 8 ‘weeks’ of study. You can work through the weeks at your own pace, so if you have more time one week there is no problem with pushing on to complete a further study week....