Image for Extreme life on Earth

Extreme life on Earth

Duration: 02:14

The 1978 discovery of life at the bottom of the Earth's oceans – where sunlight does not reach – helped space scientists realise that life could exist below other planets' surfaces. They decided that water was the key ingredient for Earth-like extraterrestrial life.

Available since: Mon 4 Jul 2011


Mark Halliley
Zam Baring
Series Producer
David McNab
James Younger
James Younger
Teresa Hunt

This clip is from

The Planets Revisited Life: Black Holes

7/8 Could life exist elsewhere in the Solar System?

First broadcast: 06 Dec 2004

Image for Life: Black Holes Not currently available on BBC iPlayer

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.

Added. Check out your playlist Dismiss