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Scientists discover for the first time the background of gravitational waves in the universe

  • June 29, 2023
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A group of international scientists has unveiled the first evidence of the background of long-wavelength gravitational waves filling the cosmic universe. This was reported by NASA’s Jet Propulsion

Scientists discover for the first time the background of gravitational waves in the universe

Scientists discover for the first time the background of gravitational waves in the universe

A group of international scientists has unveiled the first evidence of the background of long-wavelength gravitational waves filling the cosmic universe.

This was reported by NASA’s Jet Propulsion Laboratory (JPL), according to Ukrinform.

The movement of black holes and other large objects in space that can create ripples in the universe is called gravitational waves.

These waves are thought to have been created over many years by supermassive black holes billions of times more massive than our Sun, orbiting each other before merging.

Detecting a gravitational wave background is similar to hearing a large group of people hum while talking at a party without distinguishing any particular sounds.

The background waves detected by NANOGrav (a consortium of about 200 astronomers dedicated to detecting gravitational waves by observing millisecond pulsars using the Green Bank radio telescopes in the US and Arecibo in Puerto Rico) allow scientists to learn more about how gravitational waves are formed and what happens to them. It can help them understand better. as they spread throughout the universe.

They can also be used to study supermassive black hole mergers, an event that can take millions of years.

Scientists believe that these mergers occurred in most galaxies and influenced their evolution.

The international collaboration has been collecting high-precision data from ground-based radio telescopes that have been looking for these gravitational waves for over 15 years.

As Ukrinform reported, scientists from the University of Tokyo (Japan) Cosmic Ray Research Institute announced that they will resume their attempts to detect gravitational waves in the universe, thanks to the KAGRA telescope, from May.

Photo: collaboration with NANOGrav

Source: Ukrinform

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