Who is the greatest astronomer of all time? No astronomer can be deemed the best, but here are some of the most famous names in the history of astronomy.
How we know how far away the stars are postbulletin.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from postbulletin.com Daily Mail and Mail on Sunday newspapers.
The star that changed the cosmos: M31-V1 astronomy.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from astronomy.com Daily Mail and Mail on Sunday newspapers.