50 years ago a young PhD student Jocelyn Bell Burnell made a remarkable discovery – what one of her colleagues described as “the greatest astronomical discovery of the 20th century”.
She had identified pulsars: small spinning stars only 19 miles across that are left behind when a normal star dies. The discovery was deemed worthy of the Nobel Prize in Physics but it was awarded to her supervisers and not to her.
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Article source: http://www.bbc.co.uk/news/science-environment-42165491