Video: Big Space Balloon by Jonny O'Callaghan, 12 April 2012 Find out how the Big Space Balloon will work in this video. 2,958 views comments To find out more about this fantastic British project, check out our article in issue 33 of How It Works, on sale now. More Like This... Space Docking with the ISS How do shuttles link up with the International Space Station? Space Neptune’s Great Dark Spot Is it a hole, storm or shadow? Read on for the facts Space Amazing Martian weather From dust devils to carbon dioxide ice fans, Mars sees some weird phenomena More From The Internet... The Tiger tank 15 Hilarious Cat GIFs That Will Lighten Up Your Day Chris Hadfield: "The dinosaurs are extinct because they didn't have a space programme" What would happen if the Moon moved closer to the Earth?