Skip to main content

This beautiful galaxy is being warped by its hungry supermassive black hole

This image of the spiral galaxy Messier 106, or NGC 4258, was taken with the Nicholas U. Mayall 4-meter Telescope at Kitt Peak National Observatory, a Program of NSF’s NOIRLab. A popular target for amateur astronomers, Messier 106 can also be spotted with a small telescope in the constellation Canes Venatici.
This image of the spiral galaxy Messier 106, or NGC 4258, was taken with the Nicholas U. Mayall 4-meter Telescope at Kitt Peak National Observatory, a Program of NSF’s NOIRLab. A popular target for amateur astronomers, Messier 106 can also be spotted with a small telescope in the constellation Canes Venatici. KPNO/NOIRLab/NSF/AURA Acknowledgment: PI: M.T. Patterson (New Mexico State University) Image processing: T.A. Rector (University of Alaska Anchorage), M. Zamani & D. de Martin

This stunning image of a distant galaxy was captured by the ground-based Nicholas U. Mayall 4-meter Telescope in the Arizona-Sonoran Desert. To capture distant objects in such detail, the telescope has a Mosaic camera that combines multiple captures into one image.

This spiral galaxy is named Messier 106, or NGC 4258, and despite its apparently tranquil appearance, it is the site of a hungry, hungry black hole. Almost all galaxies have an enormous supermassive black hole at their center, and Messier 106 is no exception.

Its supermassive black hole is 40 million times the mass of our sun, and it is particularly active. It drags in large amounts of dust and gas, chowing down on far more matter than other supermassive black holes like the one at the center of our galaxy. And the black hole in Messier 106 spins as well, rotating with such force that it actually warps the disk of gas that surrounds it.

This warping also created streamers of gas that burst from the center of the galaxy, which you can see as red lines. These appear like extra spiral arms, as most spiral galaxies have just one pair of arms which consist of groups of stars. The red “arms” in Messier 106 are made up of gas rather than stars, but they add to the unusual features of this active galaxy.

This galaxy is very large, at more than 130,000 light-years across. It is similar in terms of both size and brightness to our neighboring galaxy, the Andromeda galaxy, which is visible with the naked eye. But because Messier 106 is 10 times more distant than Andromeda, it appears very small in the night sky. However, it can be spotted using a telescope, which makes it a favorite target for amateur astronomers.

Messier 106 is also of interest to cosmologists, as it is used in measuring the size of the universe as part of a measurement called the cosmic distance ladder.

Georgina Torbet
Georgina is the Digital Trends space writer, covering human space exploration, planetary science, and cosmology. She…
Supermassive black hole spews out jet of matter in first-of-its-kind image
Scientists observing the compact radio core of M87 have discovered new details about the galaxy’s supermassive black hole. In this artist’s conception, the black hole’s massive jet is seen rising up from the centre of the black hole. The observations on which this illustration is based represent the first time that the jet and the black hole shadow have been imaged together, giving scientists new insights into how black holes can launch these powerful jets.

As well as pulling in anything which comes to close to them, black holes can occasionally expel matter at very high speeds. When clouds of dust and gas approach the event horizon of a black hole, some of it will fall inward, but some can be redirected outward in highly energetic bursts, resulting in dramatic jets of matter that shoot out at speeds approaching the speed of light. The jets can spread for thousands of light-years, with one jet emerging from each of the black hole's poles in a phenomenon thought to be related to the black hole's spin.

Scientists observing the compact radio core of M87 have discovered new details about the galaxy’s supermassive black hole. In this artist’s conception, the black hole’s massive jet of matter is seen rising up from the center of the black hole. The observations on which this illustration is based represent the first time that the jet and the black hole shadow have been imaged together, giving scientists new insights into how black holes can launch these powerful jets. S. Dagnello (NRAO/AUI/NSF)

Read more
James Webb captures a stunning image of two galaxies merging
Shining like a brilliant beacon amidst a sea of galaxies, Arp 220 lights up the night sky in this view from NASA’s James Webb Space Telescope. Actually two spiral galaxies in the process of merging, Arp 220 glows brightest in infrared light, making it an ideal target for Webb. It is an ultra-luminous infrared galaxy (ULIRG) with a luminosity of more than a trillion suns. In comparison, our Milky Way galaxy has a much more modest luminosity of about ten billion suns.

The James Webb Space Telescope has captured a gorgeous image of a dramatic cosmic event: two galaxies colliding. The two spiral galaxies are in the process of merging, and are glowing brightly in the infrared wavelength in which James Webb operates, shining with the light of more than a trillion suns.

It is not uncommon for two (or more) galaxies to collide and merge, but the two pictured in this image are giving off particularly bright infrared light. The pair has a combined name, Arp 220, as they appear as a single object when viewed from Earth. Known as an ultraluminous infrared galaxy (ULIRG), Arp 220 glows far more brightly than a typical spiral galaxy like our Milky Way.

Read more
Machine learning used to sharpen the first image of a black hole
A team of researchers, including an astronomer with NSF’s NOIRLab, has developed a new machine-learning technique to enhance the fidelity and sharpness of radio interferometry images. To demonstrate the power of their new approach, which is called PRIMO, the team created a new, high-fidelity version of the iconic Event Horizon Telescope's image of the supermassive black hole at the center of Messier 87, a giant elliptical galaxy located 55 million light-years from Earth. The image of the M87 supermassive black hole originally published by the EHT collaboration in 2019 (left); and a new image generated by the PRIMO algorithm using the same data set (right).

The world watched in delight when scientists revealed the first-ever image of a black hole in 2019, showing the huge black hole at the center of galaxy Messier 87. Now, that image has been refined and sharpened using machine learning techniques. The approach, called PRIMO or principal-component interferometric modeling, was developed by some of the same researchers that worked on the original Event Horizon Telescope project that took the photo of the black hole.

That image combined data from seven radio telescopes around the globe which worked together to form a virtual Earth-sized array. While that approach was amazingly effective at seeing such a distant object located 55 million light-years away, it did mean that there were some gaps in the original data. The new machine learning approach has been used to fill in those gaps, which allows for a more sharp and more precise final image.

Read more