Solar Energy - The sun's energy on earth - Wonders of the Solar System - BBC

Professor Brian Cox demonstrates a scientific experiment to measure how much energy from the sun falls on the Earth's surface. Great HD clip from 'Wonders of the Solar System.' Watch more high quality videos on the BBC Worldwide YouTube channel here: www.youtube.com

Tweets:

The sun's energy on earth - Wonders of the Solar System - BBC http://fb.me/wUtedotk12:41 PM Sat Jul 9, 2011 via FacebookJustin Logie
justinlogie