Janet R. Hilton

The Kingsley School (UK)


The Sun is our star and this means that by studying it we can develop a greater understanding of other stars of similar size. We can also understand how it affects life on Earth.

This workshop reviews the discovery of sunspots by Galileo and how to use them to determine the rotation rate of the Sun.

It also looks at the solar cycle of sunspot numbers with an activity to determine the Wolf number.

Full text (PDF).