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Posts Tagged "gamma rays"

Observations

Frequent Flyers Could Take a Hit of Radiation from Lightning

Lightning

San Francisco — The energy released by a lightning bolt is so strong that it creates an intense flash of light and usually loud thunder. But recent data taken by spacecraft and a few crazy research pilots reveals that lightning also often emits an intense burst of X-rays and gamma rays. The bursts typically radiate [...]

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Observations

Fermi Satellite Tracks Cosmic-Ray Origins Back to Supernova Remnants

Supernova shock wave

The cosmos is full of surprises—not a week goes by without some group of astronomers announcing a perplexing new discovery that upends theory or expectation. But equally important is the difficult and time-consuming research required to firmly pin down what astronomers think they already know. Take, for instance, a new study on the origins of [...]

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