Copernicus and Galileo – the movement of the Earth (signed)

Copernicus and Galileo explain their discovery of how the Earth moved around the Sun.

Gravity on Earth, Jupiter and Pluto

The different effects of gravity on Earth compared to Jupiter or Pluto.

How big is the Sun in relation to Earth?

The sizes of the Sun and Earth are illustrated through colourful paintings on a screen.

How do we know the Earth is spherical?

The evidence for the Earth being round or spherical using Aristotle's reasoning.

How do we know the Earth is spherical? (signed)

A look at the evidence for the Earth being round or spherical.

Planet Earth

An explanation of why Earth is known as the Goldilocks planet.

Sun, shadows and time of day

How you can tell the time of day from shadows cast by the sun.

The Moon

Images of the Moon and historical news footage of the first Moon landing.

The Sun and its distance from Earth

An explanation of why the sun can be so hot and yet not burn us here on Earth.

The Sun and its role in our galaxy

An introduction to the Sun and its role in our galaxy generating energy to give us light.