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Dying Star Emits a Whisper

The three panels represent moments before, during, and after the faint supernova iPTF14gqr, visible in the middle panel, appeared in the outskirts of a spiral galaxy located 920 million light years away. The massive star that died in the supernova ...

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Supernova spotted shortly after explosion

BRIGHT AND EARLY Scientists caught an early glimpse of an exploding star in the galaxy NGC7610 (shown before the supernova). Light from the explosion revealed that gas (orange) surrounded the star, indicating that the star spurted out gas in advance ...

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The Largest And Brightest Supernova Ever Recorded

Credit: Illustration: NASA/CXC/M.Weiss; X-ray: NASA/CXC/UC Berkeley/N.Smith et al.; IR: Lick/UC Berkeley/J.Bloom & C.Hansen The Largest And Brightest Supernova Ever Recorded   The brightest stellar explosion ever recorded may be a long-sought new type of supernova, according to observations by NASA’s Chandra ...

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Pulsar with widest orbit

Artist’s impression of pulsar PSR J1930-1852 shown in orbit around a companion neutron star. Discovered by a team of high school students, this pulsar has the widest orbit ever observed around another neutron star. Credit: B. Saxton (NRAO/AUI/NSF) Pulsar with ...

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What’s a double pulsar

What’s a double pulsar? by Kate Kershner Pulsars are the dead cores of massive stars rotating on their axes, often hundreds of times per second. The pulsar’s magnetic poles emit radio and optical radiation beams that flash across our line ...

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What is a Pulsar

What is a Pulsar? by Fraser Cain Pulsars are types of neutron stars; the dead relics of massive stars. What sets pulsars apart from regular neutron stars is that they’re highly magnetized, and rotating at enormous speeds. Astronomers detect them ...

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Twenty Year Old Supernova Mystery Finally Solved

Twenty Year Old Supernova Mystery Finally Solved By Elizabeth Howell A star-explosion mystery that puzzled astronomers for more than two decades has finally been solved. Researchers using data gathered by NASA’s Hubble Space Telescope have determined that the supernova SN ...

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