Canadian girl 'youngest to discover supernova'

4 January 2011

Kathryn Gray says she is 'really excited' by her interstellar discovery A 10-year-old girl in Canada has become the youngest person to discover a supernova - an exploding star which can briefly outshine a whole galaxy.

Kathryn Gray was studying images taken at an amateur observatory which had been sent to her father.

She spotted the magnitude 17 supernova on Sunday.  the rest

Before/after image here