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July 15, 2024
Glitching radio waves from dead stars explained by swirling superfluid
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Glitching radio waves from dead stars explained by swirling superfluid

Jun 5, 2024

The glitches from pulsar emissions are born deep within the dead stars

Jurik Peter/Shutterstock

The radio waves we see from pulsars have a mysterious glitch – but now we know the ingredients that must be present in the heart of these ultra-dense stellar corpses to give their emissions a hiccup.

About 60 years ago, researchers noticed that the radio emissions from pulsars can suddenly and unexpectedly change in frequency, indicating that the pulsar’s rotation slowed down.

Pulsars are like nested…

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