Astronomers using the Hubble Space Telescope have captured a stunning close-up of one of the brightest objects in the universe, a quasar named 3C 273. This image reveals details never seen before, offering new insights into the forces that illuminate these fascinating galaxies.
Quasars are incredibly luminous active galactic nuclei powered by supermassive black holes. They are among the brightest objects in the universe, outshining entire galaxies by hundreds or even thousands of times. 3C 273, located about 2.5 billion light-years away, is one of the closest and brightest quasars known, making it an ideal target for study.
The new Hubble image of 3C 273 reveals intricate structures within the quasar’s core, including a narrow jet of material ejected from the black hole at nearly the speed of light. This jet is surrounded by a glowing disk of gas and dust that is being heated and illuminated by the black hole’s intense gravitational pull.
Astronomers believe that these new observations of 3C 273 will help them to better understand the physics of quasars and the role they play in the evolution of galaxies. They may also provide clues about the formation and growth of supermassive black holes.

The new observations reveal some of the galaxy’s distinct structures that we’ve never been able to tease out before, which not only tells us about the object itself – it validates a new method for understanding how quasars work.

“Thanks to Hubble’s observing power, we’re opening a new gateway into understanding quasars,” says astronomer Bin Ren of the Côte d’Azur Observatory and Université Côte d’Azur in France. “My colleagues are excited because they’ve never seen this much detail before.”

Quasars are awe-inspiring – among the brightest objects in the Universe, behind gamma-ray bursts and supernovae. Unlike other bright objects, though, quasars stick around. They are thought to be powered by supermassive  black holes that lurk at the heart of each galaxy.

One of the brightest objects in the cosmos just had its close-up.

Using the Hubble Space Telescope, astronomers homed in on a quasar called 3C 273, some 2.5 billion light-years from Earth. It’s one of the closest quasars to Earth, and extremely bright, making it a prime target for understanding the forces that illuminate these fascinating galaxies.

The new observations reveal some of the galaxy’s distinct structures that we’ve never been able to tease out before, which not only tells us about the object itself – it validates a new method for understanding how quasars work.

Black holes emit no light we can detect on their own. But the gas and dust around a feeding black hole does. That material swirls around in a disk, raining down onto the black hole from its inner rim. The gravity and friction within the disk are so high that they heat it to astonishing temperatures, causing the material to blaze with light across the spectrum, a last scream of brilliance before it vanishes into the darkness forever.

That is the light we see when we look at a quasar. But they’re all really far away; and even the ones that are closer are so bright that features are difficult to resolve. 3C 273 is not the closest quasar to Earth, but it is among the brightest from our perspective, shining with the light of trillions of Suns, all packed into a tiny galactic center. It’s so bright that you can see it with a backyard telescope, even across 2.5 billion light-years.

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