What is a Sundial?

A cartoon image of sun beams hitting a sundail and causing a shadow

Hunt the Asteroids

How do we find asteroids?

An image of a pair of binoculars on the Earth looking out to space showing small asteroids scattered through it.

Why Does the Earth Have Seasons?

A diagram of the position of the Earth at different points in its orbit around the Sun that create the four seasons.

Make a Sundial

A paper sundial lying on the grass

Keep a Moon Diary

Have you noticed the Moon is brighter some nights than others? And it looks like the Moon changes shape? We call these changes the phases of the Moon.

A calendar for a month that has been partially filled in to show the phase of the Moon on each day.

Interactive Orrery

An Orrery is a moving, mechanical model of the Solar System. It shows how all of the planets orbit around the Sun.

A illustration of the planets orbiting the Sun. Each planet has a clock face on it.

Why Do Shadows Change Over Time?


Have you noticed that your shadow changes over time? The cartoon on this page shows why shadows change during the day.


Screenshot of the shadows animation.

Seasons - The Sun in the Sky

In the UK, we experience 4 seasons each year. These are spring, summer, autumn, and winter. You may have noticed that the weather changes during each season. But have you noticed any other differences? 

Illustration of a tree in summer

Maths with the Moon

Short Intro Text: 
The Apollo mission badge. It shows a large capital A between drawings of the Moon and the Earth. The constellation of Orion is in front of the A
The Apollo missions badge
Credit: NASA

Kepler's Laws: Find the Mass of the Sun

Many years ago, a mathematician named Johannes Kepler created a set of rules explaining planets' movement in our Solar System.

The picture shows a cartoon portrait of Johannes Kepler in front of an artist's impression of the Solar System.