Our Star: the Sun

The Sun or Sol, is the star at the centre of our solar system and is the largest object - about 109 times the diameter of Earth. It contains more than 99.8% of the total mass of the Solar System. Through this collection you can explore and observe the behaviour and characteristics of the Sun.

Build a safe Sun viewer using cheap household items
Counting Sunspots using real solar images and data.
Like a "modern" Galileo, use true astronomical satellite observations to discover if the Sun (and other celestial objects) are rotating!
Let's build a model of the Sun with plasticine and get to know our star!
Build a sundial and discover how time can be measured.
Hands-on activity to measure the Sun by using household materials.
Find out the Sun’s rotation period, applying the simple equation of average speed to a real astronomical case.
Explore the tactile version of our star; the Sun with household materials.
Learn how to build a model of the Sun...which can fit nearly 1 million little Earth balls!
Why is the Sun's shadow so important?