--Kathryn Aurora Gray
, 10, spotted an exploding star while looking at images of the night sky sent to her by an astronomer friend of the family - setting the world record for the Youngest person to discover a supernova
"I'm really excited. It feels really good," Gray told the Toronto Star.
The find, formally named Supernova 2010lt, was announced by the Royal Astronomical Society of Canada.
The previous Guinness world record for the Youngest person to discover a supernova was set by Caroline Moore, a 14-year-old budding astronomer in Warwick, New York.