'New Mystery': A satellite radio signal flashed about 2,000 times in just two months
Astronomers have discovered a strange new signal: a repeating fast radio burst captured last year that recorded 1,863 explosions over 82 hours, amid a total of 91 hours of observation.
This excessive frequency of flashes allowed scientists the galaxy from which radio signals are emitted and its distance from our galaxy, as well as its source. The flashes, named FRB 20201124A, were detected using the Advanced Telescope (FAST) in China, and the discovery was published in a research paper led by astronomer Heng Shu of Peking University in China.
Most of the evidence to date points to a magnetar - a neutron star with extremely strong magnetic fields - as the source of these light emissions.
The scientists behind this study note that fast radio bursts are "more enigmatic than we imagined." They added: "More studies are needed to fully and clearly reveal the nature of these signals."
Fast radio bursts have baffled astronomers since they were first detected 15 years ago, in archival data dating back to 2001.
However, most of these signals were included only once, and it was difficult for scientists to study them.
But a breakthrough in this field was recorded in 2020, when a fast radio explosion was discovered inside the Milky Way, which enabled scientists to determine its source, as a phenomenon caused by magnetic activity.
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