Category: neutron star

Gluttonous Cosmic ‘Black Widow’ Is Heaviest-Known Neutron Star

July 30, 2022
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WASHINGTON—Astronomers have observed the most massive known example of an object called a neutron star, one classified as a “black widow” that got particularly hefty by gobbling up most of the mass of a stellar companion trapped in an unhappy cosmic marriage. The researchers said the neutron star, wildly spinning at 707 times per second,…

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Cosmic Gulp: Astronomers See Black Hole Swallow Neutron Star

June 29, 2021
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Talk about a heavy snack. For the first time, astronomers have witnessed a black hole swallowing a neutron star, the most dense object in the universe—all in a split-second gulp. Ten days later they saw the same thing, on the other side of the universe. In both cases, a neutron star—a teaspoon of which would…

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Giant Gamma-Ray Eruption Bursts From Nearby Magnetar

February 2, 2021
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Our universe is not as peaceful as what we see in the night sky. Eruptions or catastrophes can happen anywhere at any second. This time, astronomers may have detected a giant gamma-ray flare from a nearby magnetar. A magnetar is a rapidly spinning type of neutron star, which is the remains of a star that…

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