Quasars Current Affairs, GK & News

Astronomers discover the farthest Gamma-ray emitting active galaxy

The scientists from Aryabhatta Research Institute have discovered a new galaxy that emits gamma rays. The galaxy has been categorised as Narrow Line Seyfert 1 (NLS1). However, it is unique and different from the other NLS1s discovered so far. About NLS1 It is 31 billion light years away from the earth. The galaxy is located ..

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What are Dark Sirens?

A team of scientists have recently found a way to solve cosmological tensions through dark sirens. What are Dark Sirens? The Dark Sirens are nothing but gravitational waves from neutron stars or black holes. The Dark sirens can be picked up by gravitational wave detector but not by ordinary telescopes. What are the Cosmological tensions ..

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What are Quasars? How do they help in understanding Universe?

Recently, a group of astronomers have discovered a dozen of quasars that were warped by naturally occurring cosmic lens. Warping is twisting. With this discovery, the number of known quasars have increased by 25%. This can help to determine the expansion rate of the universe and will also help address other mysteries. What are Quasars? ..

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Astronomers from Japan, Taiwan, and Princeton University discover 83 quasars powered by supermassive black holes in distant universe

Astronomers from Japan, Taiwan, and Princeton University have discovered 83 quasars powered by supermassive black holes in the distant universe, which were formed when the universe was only 5% of its current age. These quasars are lying 13 billion light-years away from the Earth. The team used data taken with ‘Hyper Suprime-Cam’ (HSC) instrument, mounted ..

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