There is a lot in the universe that we donR7;t know yet. But astronomers around the world are constantly working to unravel these mysteries. They recently discovered a previously unknown structure with faint radio emissions covering a massive galaxy hidden in a “shadow”. The radio emission extends tens of thousands of light-years in the host galaxy 3C 273. There is a high-energy black hole at the center of the galaxy, the researchers say. They made the discovery using the Atacama Large Millimeter/submillimeter Array (ALMA), the largest existing astronomy project.

The galaxy 3C 273 is located 2.4 billion light-years from Earth. This galaxy is a quasar, which means it is the core of a galaxy with a large black hole at its center. The material around the black hole is swallowed by it, and a lot of radiation is released.

According to the researchers, the galaxy is often seen by telescopes because it may be used as a reference point in the sky. In other words, the 3C273 is a radio beacon.

Why hasnR7;t this galaxy been discovered despite its radio emissions? Consider the following scenario. When an astronomer peers through a telescope at a bright object in the sky, it’s like the dazzling glow of a car’s headlights making it difficult for onlookers to notice a darker environment. Astronomers use dynamic range telescopes, such as ALMA, to see both bright and parts to overcome this problem. It is difficult for radio telescopes to see objects with high contrast.

The research has been published in The Astrophysical Journal.

Shinya Komugi, lead author of the study, said the discovery opens up new avenues for studying problems previously addressed by optical studies. Komugi added that the researchers hope to learn more about how galaxies grow through interactions with their core nuclei.

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Since most of the radio waves come from 3C273R7;s core, astronomers have been paying attention to them for decades. The host galaxy is far less well known. However, the researchers hope that with this discovery, they will be able to learn more about galaxy evolution and star formation.

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