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.
Is the Sun rotating? Follow the sunspots!
The Earth rotates on its axis, giving us night and day – but what about other celestial objects like the Sun?
One Million Earths inside our Sun
Students will learn how to build a model of the Sun, which can fit nearly 1 million little Earth balls.
Making a Sundial
Build a sundial and discover how time can be measured.
Sun’s Shadow
Learn about Sun's shadow through observation.
Build a Safe Sun Viewer
Build a safe Sun viewer using cheap household items and learn why it is dangerous to look directly at the Sun, even briefly.
Meet Our Neighbours: Sun
Explore the tactile version of our star; the Sun with household materials.
Measure the Solar Diameter
Hands-on activity to measure the Sun by using household materials.
Counting Sunspots
Counting the Sunspots using real solar images and data.