Oldest invisible galaxy discovered: exactly 1.2 million light-years away
August 29, 2022
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We are all familiar with Hubble or James Webb’s galaxies. These images your light observed at different wavelengths and optical It consists of images of galaxies that can
We are all familiar with Hubble or James Webb’s galaxies. These images your light observed at different wavelengths and optical It consists of images of galaxies that can be observed as Scientists have several tools to reveal the part that our eyes cannot see.
One of these tools is the study of radio waves. It is even possible to position a galaxy according to the tracks left around the fragments ejected by black holes. These galaxies are called radio galaxies. Familiar oldest radio system was recently discovered.
Galaxy hidden among the ruins
located in the center of galaxies supermassive black holes it can explode and scatter particles from time to time. These thrown pieces continue their way at very high speeds until they collide with something in space. It is possible to observe the traces they leave in the form of radio signals.
At the center of the Abell 980 galaxy cluster, scientists have discovered an extraordinary structure. in India Surajit Paul of Savitribai Phule Pune University Led by astronomers, they have discovered the oldest radio galaxy ever discovered. Also located in India from the University of Mumbai astronomer Gopal Krishna and his team discovered two new clusters of radio galaxies in the same region. In other words, the black hole at the center of the galaxy has performed major particle-emitting activities more than once.
The area covered by radio galaxies can reach millions of light years, of the galaxies in which they originated They can reach much further. In fact, our galaxy, the Milky Way, has its own radio galaxy.
Because these radio signals fade over time, no specimens older than 200 million years are expected to be found. 2 billion light years This distant galaxy is from 260 million years ago. The distance is measured as 1.2 million light-years. Scientists think they can learn more about radio galaxies by studying this structure.
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