http://www.youtube.com/watch?feature=player_embedded&v=QVJwq3mH7so Earth's song: Nasa picks up gleeful chirrups sent out from planet which can be heard by the human ear (...if you could take your helmet off in space) Earth's magnetic belt - capturing solar winds particles - sends out songs into deep space By Eddie Wrenn PUBLISHED: 14:18 GMT, 19 September 2012 | UPDATED: 14:19 GMT, 19 September 201