Talk about an explosive personality. Large galaxies usually have no more than three supernovas blow up in a century, but the nearby galaxy NGC 1316 has had two such explosions within the past 5 months and four in the past 26 years.
Amateur astronomer Berto Monard of Pretoria, South Africa, found both of the new supernovas. He reported the latest find in a Nov. 6 electronic telegram of the International Astronomical Union. After that announcement, Stefan Immler of NASA's Goddard Space Flight Center in Greenbelt, Md., and his colleagues used NASA's Swift s