Strange radio signals detected coming from another galaxy

(ORDO NEWS) — Astronomers have detected a mysterious radio burst emanating from a dwarf galaxy located 3 billion light-years away.

According to new research, the space object is significantly different from other radio bursts discovered in recent years.

Fast radio bursts (or FRBs) are millisecond bursts of radio waves in space. Individual radio bursts are emitted once and do not repeat again.

However, it is known that repetitive fast radio bursts send out several times short energy-intensive radio waves.

Astronomers have been able to trace some radio bursts, but they have yet to determine the real cause of these pulses.

Strange radio signals detected coming from another galaxy 2
Pictured is the FRB 190520 object at the time of activity (in red)

On May 20, 2019, astronomers discovered an object named FRB 190520 when it produced a burst of radio waves.

In November 2019, researchers used the 500m Aperture Spherical Radio Telescope (FAST, in China) and recorded a radio signal.

When astronomers made regular observations, they discovered something unusual – the object produced frequent, repetitive bursts of radio waves.

In 2020, the team used the Carl G. Jansky National Science Foundation’s (VLA) Large Array of Telescopes to pinpoint the origin of a strange radio burst before zeroing it out with the Subaru Telescope in Hawaii.

Observations by Subaru in visible light showed that the explosion came from the outskirts of a distant dwarf galaxy.


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