Unknown space object beaming out radio signals every 18 minutes remains a mystery

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Unknown space object beaming out radio signals every 18 minutes remains a mystery
France Dernières Nouvelles,France Actualités
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While mapping radio waves across the universe, astronomers happened upon a celestial object releasing giant bursts of energy — and it's unlike anything they've ever seen before.

Sign up for CNN's Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. While mapping radio waves across the universe, astronomers happened upon a celestial object releasing giant bursts of energy -- and it's unlike anything they've ever seen before.

The spinning space object, spotted in March 2018, beamed out radiation three times per hour. In those moments, it became the brightest source of radio waves viewable from Earth, acting like a celestial lighthouse.Astronomers think it might be a remnant of a collapsed star, either a dense neutron star or a dead white dwarf star, with a strong magnetic field -- or it could be something else entirely.

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