An explanation of why Earth is known as the Goldilocks planet, including various images of the planet seen from space. The Earth is a special place as there is no other known planet which has life. People who look for new planets call Earth the Goldilocks planet, because it is neither too hot nor too cold, and it is neither too wet nor too dry. The conditions for life are just right.

First broadcast:
12 October 2007

This clip could be used to introduce the Planet Earth topic. It can be used to show images of Earth from space.

This clip could be paused when the idea that Earth is known as the 'Goldilocks planet' is introduced. Students could be asked to consider the reasons why Earth has been described in this way.

This clip could be used to stimulate a discussion on why there is life on Earth. It could also be used to open a discussion on the planets and students could list the other planets they know of, and how they are similar or different to Earth.