Amazing pictures of Earth captured by one man, a balloon and his compact camera
He used GPS tracking technology similar to an in-car sat-nav to follow its progress - and an attached radio transmitter to find it when it parachutes back to earth. The photos taken by his device were so spectacular that Nasa has been in touch to see how he achieved it. Mr Harrison's budget of £500 might also offer inspiration to the new UK Space Agency, which launches on April 1. Based in Swindon, with only one astronaut and a budget one 50th the size of Nasa's, it will be looking for cut-price ways to reach for the sky. Read more
Robert Harrison used his ingenuity and a collection of cheap parts worth just £500 to take the spectacular shots using a Canon camera which he launched 35km above the planet's surface. The 38-year-old father-of-three has launched 12 High Altitude Balloons since his hobby started in October 2008. Read more