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Learn the secret of the mysterious gamma rays from the center of the galaxy

Learn the secret of the mysterious gamma rays from the center of the galaxy

Thank you for reading the news about technology: Learn the secrets of the mysterious gamma rays from the center of the galaxy and now with the details of the news

Cairo – Samia Sayed – Researchers from the Australian National University (ANU) have found an explanation for the mysterious gamma ray signal coming from the center of the galaxy, which has long been said to be a signal of dark matter, RT reported.

Gamma rays are a form of electromagnetic radiation with the shortest wavelength and highest energy.

Co-author of the study, Associate Professor Roland Crocker, said that this gamma-ray signal, known as the Galactic Center Excess, may actually come from a certain type of fast-spinning neutron star, the super-dense stellar remnants of some stars much more massive. from our sun.

The galactic center surplus is an unexpected concentration of gamma rays emanating from the center of our galaxy that has long baffled astronomers.

Professor Crocker explained: “Our work does not raise any doubt about the existence of the signal, but it does provide another potential source. It relies on millisecond pulsars, neutron stars that rotate very quickly, about 100 times per second.”

“Scientists have previously detected gamma-ray emissions from individual millisecond pulsars in the vicinity of the Solar System, so we know that these objects emit gamma rays. Our model shows that the integrated emission from a whole group of these stars, numbering about 100,000, is about 100,000,” Crocker added. , and it will produce a signal that is perfectly consistent with the galactic center surplus.”

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And the discovery could mean that scientists have to rethink where to look for clues about dark matter.

Associate Professor Crocker said: “The nature of dark matter is not fully known, so any potential evidence is very exciting. But our results point to another important source of gamma ray production. For example, it might be a gamma ray signal from Andromeda, the nearest galaxy. big for our galaxy, mostly because of stars pulsing in the milliseconds.”

The research was led by Anuj Gautam, a master’s student at Australian National University, which also involved scientists from the Australian Defense Force Academy, the University of Canterbury and the University of Tokyo.