Fermi detects 'shocking' surprise from supernova's little cousin

Fermi detects 'shocking' surprise from supernova's little cousin: "Astronomers using NASA's Fermi Gamma-ray Space Telescope have detected gamma-rays from a nova for the first time, a finding that stunned observers and theorists alike. The discovery overturns the notion that novae explosions lack the power to emit such high-energy radiation."