Spaceships Could Use Pulsars as a GPS

Magazine issue: Vol. 193, No. 2, February 3, 2018, p. 7 OXON HILL, Md. — Future spacecraft could navigate by the light of dead stars. Using only the timing of radiation bursts from pulsating stellar corpses, an experiment on the International Space Station was able to pinpoint its location in space in a first-ever demonstration. The technique […]

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Physicists Have Created an Artificial Gamma Ray Burst in the Lab

By Matt Williams On July 2nd, 1967, the U.S. Vela 3 and 4 satellites noticed something rather perplexing. Originally designed to monitor for nuclear weapons tests in space by looking for gamma radiation, these satellites picked up a series of gamma-ray bursts (GRBs) coming from deep space. And while decades have passed since the “Vela Incident“, astronomers are still […]

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