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.<br /><br />Other languages available: <br />Italian: http://youtu.be/vrQZEBOWqsM<br />French: http://youtu.be/5enycnYuVR8<br />German: http://youtu.be/sCTKGGmHp2s<br />Spanish: http://youtu.be/_0jcfXKxjLI<br />Greek: http://youtu.be/e1y3FNZK9h0<br />Portuguese: http://youtu.be/ZX-srt2dlr8<br />Hungarian: http://youtu.be/nGyRcuk4ydk<br /><br />Credits: ESA/Euronews
