Table of Contents A quasar is essentially a fast-growing black hole. Black holes are famously invisible because even light can’t escape them. They are only visible to our eyes when they expand ...

This is all within 16,000 light-years of the black hole." The Hubble Space Telescope has stared deeper into a quasar than ever before, discovering "weird" features in its vicinity. Quasars are the ...

Things outside this area are still visible to telescopes, and this is what the Hubble telescope has been viewing. A quasar is found at the centre of active galaxies and glow brightly, like a star.

A two-panel image of quasar 3C 273, taken by different Hubble instruments. The top panel is a WFPC2 image of 3C 273. It looks like a bright white car headlight. There's a linear orange-white smoke ...

Quasars are awe-inspiring – among the brightest objects in the Universe, behind gamma-ray bursts and supernovae. Unlike other ...

Astronomers discover a quasar 12 billion light-years away with a water reservoir 140 trillion times larger than Earth's ...

As a result, they found that the quasar hosts a large extended radio ... electromagnetic radiation observable in radio, infrared, visible, ultraviolet and X-ray wavelengths. They are among the ...

A coronagraph on Hubble blocks out the glare coming from the supermassive black hole at the heart of the quasar. This allows astronomers to see unprecedented details near the black hole such as ...

New Hubble Space Telescope images of a black hole-powered quasar reveal 'weird' structures and gigantic jets of energy that scientists are just beginning to explain. Nearly 35 years after its ...

HE0435-1223, a lensed quasar, is surrounded by four images created by a foreground galaxy, making it one of the five best lensed quasars discovered. Hubble's image of NGC 5793, a spiral galaxy 150 ...

J1601+3102 is an extremely radio-loud quasar at a redshift of 4.9, discovered in 2022. It has a radio flux at a level of 69 mJy, bolometric luminosity of about 26 quattuordecillion erg/s and a ...

Things outside this area are still visible to telescopes, and this is what the Hubble telescope has been viewing. Scientists hoped to understand mysterious objects known as ‘quasars’. A quasar is ...