Work is underway to build the E-ELT, a telescope that could one day find signs of life on distant planets. With a 39-metre mirror, it will be the world's biggest optical and infrared telescope.
Other languages available: Italian: http://youtu.be/vrQZEBOWqsM French: http://youtu.be/5enycnYuVR8 German: http://youtu.be/sCTKGGmHp2s Spanish: http://youtu.be/_0jcfXKxjLI Greek: http://youtu.be/e1y3FNZK9h0 Portuguese: http://youtu.be/ZX-srt2dlr8 Hungarian: http://youtu.be/nGyRcuk4ydk