Active Galactic Nucleus Collection

A galactic light show in spiral galaxy NGC 4258, also known as M106, about 23 million light years away. This galaxy is famous, however

Artists concept of an astronaut falling towards a black hole in outer space. Gamma Rays erupt from the poles as a nearby nebula is pulled in

Barred Spiral Galaxy NGC 1672 in Dorado
NGC 1672 is a prototypical barred spiral galaxy in the constellation Dorado, and differs from normal spiral galaxies in that the spiral arms do not twist all the way into the centre

Artists depiction of a black hole and its accretion disk in interstellar space
An artists depiction of a black hole and its accretion disk in interstellar space pulling in gas and dust from a nearby nebula. Gamma ray bursts exit at the black holes poles and shoot into space

Artists depiction of a black hole in interstellar space
An artists depiction of a black hole in interstellar space pulling in gas and dust that start to heat. Gamma ray bursts exit at the black holes poles and shoot into space

M106 Spiral Galaxy harboring our nearest extragalactic jet taken with clear red green blue filter set and hydrogen alpha filters

A selection of galaxies shown to the same scale
Galaxy size comparison chart. A selection of galaxies shown to the same scale

The Cigar Galaxy and Bodes Galaxy
Messier 82, the Cigar Galaxy (left), and Messier 81, Bodes Galaxy (right)

Messier 81 spiral galaxy in the constellation Ursa Major

M106, spiral galaxy in Canes Venatici

Messier 83, the Southern Pinwheel Galaxy

Artists concept of Quasars. Quasars are bright, energetic regions around giant, active black holes in galactic centers. Although immensely powerful and visible across billions of light years

Messier 106 spiral galaxy in the constellation Canes Venatici

Gamma Rays in Active Galactic Nuclei

Spiral galaxy Messier 106
Messier 106 (also known as NGC 4258) is a spiral galaxy in the constellation Canes Venatici and is a Seyfert II galaxy, which means that due to x-rays and unusual emission lines detected

Dark lanes of dust crisscross the elliptical galaxy Centaurus A
Dark lanes of dust crisscross the giant elliptical galaxy Centaurus A. Also visible are the vibrant glow of young, blue star clusters and a glimpse into regions normally obscured by the dust

NGC 5128 radio galaxy in the constellation Centaurus. The center of the galaxy contains a supermassive black hole which ejects a relativistic jet

Gamma Rays in Galactic Nuclei

A black hole in interstellar space
An artists depiction of a black hole in interstellar space pulling in gas and dust that start to heat. Gamma ray bursts exit at the black holes poles and shoot into space

Artists concept of a black hole and its accretion disk in interstellar space
An artists depiction of a black hole and its accretion disk in interstellar space pulling in gas and dust from the surrounding nebula

Cigar Galaxy and Bodes Galaxy in the constellation Ursa Major

An astronaut floating in outer space as he is pulled towards a massive black hole
Artists concept of an astronaut floating in outer space as he is pulled towards a massive black hole. Gamma ray bursts erupt from the poles of the singularity

Powerful streams of energy spew out of a black hole in the middle of a galaxy
A black hole is a defined region of spacetime which reflects no light and can be found in the middle of galaxies

A stellar black hole caused by the collapse of a massive star
A stellar black hole is caused by the collapse of a massive star and is also called a supernova explosion or a gamma ray Burst

Barred spiral galaxy NGC 1672 in the constellation Dorado

NGC 5033, a spiral galaxy situated in the constellation of Canes Venatici, about 37 million light years from Earth. Twin super massive black holes, located in its central region

Some galaxies have powerfully active cores that emit jets of energy

Face-on spiral galaxy NGC 3982
This face-on spiral galaxy, called NGC 3982, is striking for its rich tapestry of star birth, along with its winding arms

Fantasy: Inspirational Quote and Motivational Poster
Fantasy - Inspirational Quote and Motivational Poster. It reads: We live in a fantasy world, a world of illusion, The great task in life is to find reality. ~ Iris Murdoch

Centaurus A galaxy in the constellation Centaurus

Lenticular galaxy Centaurus A
Centaurus A, also known as NGC 5128, is a lenticular galaxy in the constellation Centaurus. It is the closest active galaxy to Earth, being a radio galaxy

A stellar black hole emits streams of plasma from its event horizon

Spiral galaxy NGC 5033 in the constellation Canes Venatici
NGC 5033 lies some 40 million light-years away in the well-trained northern constellation Canes Venatici. This telescopic portrait reveals striking details of dust lanes winding near the galaxys

Messier 83 and its northern stellar tidal stream
The M83 stellar tidal stream. The image shows a portion of Southern Pinwheel Galaxy northern stellar tidal stream with numerous resolved stars

Cosmic rays, artwork
Cosmic rays. Artwork of high-energy particles and radiation from space (cosmic rays) impacting molecules and atoms in the Earths atmosphere

Seyfert galaxy
Active galaxy. Coloured Hubble Space Telescope (HST) spectrograph images of the active (Seyfert) galaxy NGC 4151, thought to contain a black hole

Active galaxy. Hubble Space Telescope (HST) image of the Circinus active (Seyfert) galaxy. A Seyfert galaxy is thought to have a black hole at the centre of its small, bright nucleus (white)

Active galactic nucleus, artwork
Active galactic nucleus (AGN), computer artwork. An AGN is a galactic core that emits a higher luminosity than can be produced by the galaxys stars alone

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An active galactic nucleus is like a cosmic light show, captivating our imagination with its mesmerizing displays. In the spiral galaxy NGC 4258, we witness this spectacle unfold as beams of energy shoot out from its core, illuminating the surrounding space in a breathtaking dance of colors. It's as if an artist has painted strokes of vibrant hues across the canvas of the universe. Imagine an astronaut freefalling towards a black hole in outer space – that's what comes to mind when contemplating these enigmatic phenomena. With an artist's concept guiding us, we can visualize the sheer power and gravitational pull exerted by these celestial giants. The intense forces at play create awe-inspiring accretion disks around black holes, swirling masses of matter that emit brilliant light against the backdrop of interstellar space. Barred Spiral Galaxy NGC 1672 beckons us further into this cosmic journey. Its majestic arms reach out like celestial tendrils, inviting exploration and discovery. As we venture deeper into interstellar space, another artists' depiction reveals a solitary black hole lurking amidst vast darkness – a mysterious entity whose secrets are yet to be fully unraveled. M106 Spiral Galaxy stands tall among its peers in Canes Venatici constellation; it showcases nature's artistic flair on a grand scale. A selection of galaxies shown to scale reminds us just how small we are in comparison to these colossal structures that dot our universe. The Cigar Galaxy and Bodes Galaxy captivate with their unique features – one elongated and slender while the other exhibits striking spiral arms reaching for infinity. Messier 81 spiral galaxy in Ursa Major presents itself as both ethereal and powerful simultaneously - truly capturing our imagination. Messier 106 resides within Canes Venatici constellation; it enthralls astronomers with its intricate patterns and celestial beauty.