ÿØÿà JFIF ,, ÿí¸Photoshop 3.0 8BIM €Z %G U Freelance illustratorP Mark A. Garlicki %Artwork of an Active Galactic Nucleus> 20100617z Mark A. Garlickn !Mark A. Garlick / space-art.co.uk7 20150629xwArtwork of an active galactic nucleus, or AGN. Many, perhaps most large galaxies, are thought to harbour supermassive black holes in their central regions. These enormous gravitational powerhouses can weigh anything from a few hundred thousand to several billion times the mass of a normal star. In some galaxies, such as our own Milky Way, these black holes may be dormant. But in active galaxies such as quasars and Seyfert galaxies, those with unusually bright central regions, the black hole is probably feeding off a vast accretion disc - a donut-shaped gas cloud. The gas in the disc spirals around and is heated to extremely high temperatures by friction, before falling into the hole. In some cases, magnetic fields thread the disc, and lead to the formation of beams of charged particles, which are expelled at great velocities, approaching light speed, along the rotation axis.t $© Mark A. Garlick / space-art.co.uk space astronomy artwork nucleus AGN quasar
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x † þ ( 1 2 ,; @‚˜ % P‡i v Artwork of an active galactic nucleus, or AGN. Many, perhaps most large galaxies, are thought to harbour supermassive black holes in their central regions. These enormous gravitational powerhouses can weigh anything from a few hundred thousand to several billion times the mass of a normal star. In some galaxies, such as our own Milky Way, these black holes may be dormant. But in active galaxies such as quasars and Seyfert galaxies, those with unusually bright central regions, the black hole is probably feeding off a vast accretion disc - a donut-shaped gas cloud. The gas in the disc spirals around and is heated to extremely high temperatures by friction, before falling into the hole. In some cases, magnetic fields thread the disc, and lead to the formation of beams of charged particles, which are expelled at great velocities, approaching light speed, along the rotation axis. , , Adobe Photoshop CS6 (Windows) 2016:02:08 10:33:39 Mark A. Garlick © Mark A. Garlick / space-art.co.uk ¸ Ì ÿÿ { ó 2015:06:29 00:00:00 2010:06:17 21:38:57 ÿá
¹http://ns.adobe.com/xap/1.0/
2016-02-08T10:33:39
2010-06-17T21:38:57+01:00
Adobe Photoshop CS6 (Windows)
Mark A. Garlick
Brighton
East Sussex
UK
Mark A. Garlick / space-art.co.uk
Freelance illustrator
2015-06-29T00:00:00
Artwork of an Active Galactic Nucleus
© Mark A. Garlick / space-art.co.uk
Artwork of an active galactic nucleus, or AGN. Many, perhaps most large galaxies, are thought to harbour supermassive black holes in their central regions. These enormous gravitational powerhouses can weigh anything from a few hundred thousand to several billion times the mass of a normal star. In some galaxies, such as our own Milky Way, these black holes may be dormant. But in active galaxies such as quasars and Seyfert galaxies, those with unusually bright central regions, the black hole is probably feeding off a vast accretion disc - a donut-shaped gas cloud. The gas in the disc spirals around and is heated to extremely high temperatures by friction, before falling into the hole. In some cases, magnetic fields thread the disc, and lead to the formation of beams of charged particles, which are expelled at great velocities, approaching light speed, along the rotation axis.
Active Galactic Nucleus
Mark A. Garlick
space
astronomy
artwork
nucleus
AGN
quasar
black hole
accretion
disc
astrophysics
galaxy
active
jet
Seyfert
beam
particle
outflow
power
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