celebrity of the astronomy world. this past weekend katherine aurora gray spotted an exploding star, supernova. turns out she's the youngest person to discover a supernova. here's what she told the cbc. >> a supernova is a star that is blowing up. we have a program at home that takes an older picture and a newer picture and puts them together. >> she's adorable. and her middle name's aurora, you know this was written in the stars. talk about a science project, katherine made the discovery with the help of her father and a family friend. who is the most influential person in the twitter-verse? president obama. that's right -- >> or the biebs? >> just by a nose over justin bieber, who actually i saw president obama at an event wit biber. >> his daughters were probably so embarrassed.