Mysterious radio signals coming from Milky Way – and scientists don’t know what they are

A “bizarre” set of radio signals has been discovered coming from the centre of the Milky Way.

Researchers from the University of Sydney are said to be “baffled” by the signals, because they “don’t match any known astrophysical radio source,” according to a new report from the university.

Ziteng Wang from the University of Sydney said: “At first we thought it could be a pulsar, a very dense and rapidly rotating remnant star core.

“A star with huge eruptions was also discussed.

“The signals from this new source do not match anything we expect from known stellar objects.”

They were first found while scanning the sky using the Australian Square Kilometre Array Pathfinder radio telescope, located in Western Australia.



The bizarre sound is thought to be coming from the Milky Way

Mr Wang and an international team – featuring astronomers from Germany, America, Canada, South Africa, Spain and France – had been tracking the source of the sound since early 2020.

Professor Tara Murphy, a co-author of a study into the signals, said: “Sometimes it seems to stay on, detectable for days or weeks at a time, and then other times it can come on and off in a single day, which is extremely fast for an astronomical object.

“Not only are the signals strange, but it appears the object emitting them is very unique.

“This object was so bright that if it was a star, we should be able to see it in visible light.

“But we didn’t see it at all, it was completely invisible.

“So then we’ve got this situation where we’ve ruled out the two most likely explanations.”

“That rules out almost all astronomical objects we know of.”

The scientists do plan to keep a close eye on the object to look for more clues as to what it might be.

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