Crab pulsar beams most energetic gamma rays ever detected from a pulsar


Astrophysicists have detected pulsed gamma-ray emission from the Crab pulsar at energies far beyond what current theoretical models of pulsars can explain. With energies exceeding 100 billion electron-volts (100 GeV), the surprising gamma-ray pulses were…

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Chandra finds new evidence on origin of supernovas


Related images(click to enlarge) Astronomers may now know the cause of an historic supernova explosion that is an important type of object for investigating dark energy in the universe. The discovery, made using NASA’s Chandra…

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