Thursday, September 29, 2022

Invisible due to distance of 1.2 million light years, oldest galaxy found

Tantrum – Scientists have discovered the oldest radio galaxy ever discovered. These galaxies are almost impossible to see with the naked eye.

We are all familiar with the images of the Milky Way from Hubble or James Webb. These images contain optically detectable images of galaxies that emerge by observing light at different wavelengths.

Scientists have different tools to reveal the parts that our eyes cannot see.

One such tool is the study of radio waves. It is also possible to establish galaxies according to the traces left around the shards ejected by the black hole.

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This galaxy is called the Radio Galaxy, reporting from the Seputar Pangandaran page, Sunday, August 28, 2022. The oldest known radio galaxy was recently discovered. The supermassive black hole at the center of a galaxy can periodically erupt and scatter particles around it.

These thrown pieces continued to travel at breakneck speeds until they collided with something in outer space. It is possible to observe the traces they leave in the form of radio signals.

Scientists have discovered an extraordinary structure at the center of the galaxy cluster Abell 980. Astronomers led by Surjit Paul of Savitribai Phule Pune University in India have discovered the oldest radio galaxy ever discovered.

Also in India, astronomer Gopal Krishna of the University of Mumbai and his team discovered two new radio galaxy clusters in the same region.

In other words, the black hole at the center of the galaxy has carried out mass particle emission activity more than once.

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The space covered by radio galaxies can be millions of light years away, and they can reach farther than the galaxy from which they originate. In fact, our galaxy, the Milky Way, has its own radio galaxy.

Since these radio signals fade over time, samples older than 200 million years are not expected to be found.

This galaxy, 2 billion light years away, is 260 million years ago. The distance is measured as 1.2 million light years.

Scientists believe they can learn more about radio galaxies by studying these structures.

Nation World News Desk
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