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Astronomers reveal new features of mysterious fast radio bursts

More than 15 years have passed since the discovery of streams p The high speed in deep space for the first time, its bewildering nature continues to surprise scientists, and the newly published research delves into the mystery surrounding it.

According to “RT,” in a study published in Nature on September 21, an international team of scientists, including an astrophysicist from the University of Nevada at Las Vegas (UNLV), Ping Zhang, found that unexpected new observations from a series of Challenging The cosmology of FRBs is the dominant understanding of physical nature and the central engine of FRBs.

Fast radio bursts (FRBs) are cosmic bursts lasting one millisecond, each producing energy equivalent to the Sun’s annual output.

Observations of cosmic FRBs were made in late spring 2021 using the 500-meter-aperture spherical radio telescope (FAST) in China.

A team of Chinese and American astronomers, led by Heng Zhou, Kejia Li and Subo Dong of Peking University, Wei Weizhou of the Chinese National Astronomical Observatory, along with Zhang, detected 1,863 explosions in 82 hours over a 54-day period. from a fasting active burst radio source named FRB 20201124A.

“This is the largest sample of FRF data with polarization information from a single source,” said Lee.

Recent observations of fast radio bursts from our Milky Way show that they originated from magnetars, which are dense, city-sized neutron stars with incredibly strong magnetic fields.

On the other hand, the origin of the distant cosmic radio bursts is still unknown. Recent observations leave scientists wondering what they think they know.

“FRFs are clearly more enigmatic than we imagined,” said Zhang, who is also the founding director of the University of Nevada Center for Astrophysics. More multi-wavelength monitoring campaigns are needed to reveal the nature of these objects. “Nevada. Nevada to Las Vegas.

What makes the recent observations surprising to scientists are the irregular and short variations of the so-called “Faraday spin scale,” an indicator of magnetic field strength and particle density near the FRF source.

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