Bad Astronomy | Local Bubble around Sun mapped for the first time syfy.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from syfy.com Daily Mail and Mail on Sunday newspapers.
The brightest comet of the year, named "Leonard" after the UArizona researcher who discovered it, is paying one last visit to Earth's neighborhood this month, before leaving the solar system forever.