http://www.dailymail.co.uk/sciencetech/article-2140450/The-Earth-trapped-bubble-scientists-explain-galactic-neighbourhood.html Trapped in a bubble! Scientists shed light on the Earth's galactic neighbourhood /By Daily Mail Reporter PUBLISHED: 21:11, 6 May 2012 | UPDATED: 21:12, 6 May 2012 Read more: http://www.dailymail.co.uk/sciencetech/article-2140450/The-Earth-trapped-bubble-scientists-explain-galactic-neighbourhood.html#ixzz1uBmqgv1Z