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Black Holes (Illustrations)
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1. Illustration of the Supermassive Black Hole at the Center of M87
This artist's impression shows a close-up view of the supermassive black hole at the center of the galaxy M87. Surrounding the black hole in the lower left is hot, infalling material, shown in red. Some of the material escapes the gravitational clutches of the black hole and is expelled at almost the speed of light in a jet, pointing to the upper right. The jet in M87 is only about 17 degrees from our line of sight.
(Credit: NASA/CXC/M.Weiss)
Related Photo Album: M87

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2. Resulting Black Hole
A new study using Chandra data of GW170817 indicates that the event that produced gravitational waves likely created the lowest mass black hole known. This illustration shows the black hole that resulted from the merger, along with a disk of infalling matter and a jet of high-energy particles.
(Credit: NASA/CXC/M.Weiss)
Related Photo Album: GW170817

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3. Illustration of a Black Hole
This illustration depicts the central black hole in these above mentioned galaxies, which helps determine how many stars have formed there.
(Credit: NASA/CXC/M.Weiss)

More Information on Mrk 1216

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4. Illustration of Recoiling Black Hole
Using data from Chandra and other telescopes, astronomers have found a possible "recoiling" black hole. This black hole, which contains about 160 million solar masses, may have formed and then been set in motion by the collision of two smaller black holes (depicted in the artist's illustration). Astronomers found this candidate recoiling black hole after sifting through data of thousands of galaxies. Such moving supermassive black holes are interesting because they may reveal more about the rate and direction of spin for these enigmatic objects before they merge.
(Credit: NASA/CXC/M.Weiss)
Related Photo Album: CXO J101527.2+625911

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Illustration of X9 in 47Tuc
5. Artist's Illustration of a White Dwarf Star in Orbit with a Black Hole
This artist's impression depicts a white dwarf star found in the closest known orbit around a black hole. As the circle around each other, the black hole's gravitational pull drags material from the white dwarf's outer layers toward it. Astronomers found that the white dwarf in X9 completes one orbit around the black hole in less than a half an hour. They estimate the white dwarf and black hole are separated by about 2.5 times the distance between the Earth and Moon — an extraordinarily small span in cosmic terms. (Illustration: NASA/CXC/M.Weiss)

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GRB 140903A
6. Illustration of GRB 140903A
This artist's illustration depicts the aftermath of a neutron star merger, including the generation of a Gamma-ray burst (GRB). In the center is a compact object - either a black hole or a massive neutron star - and in red is a disk of material left over from the merger, containing material falling towards the compact object. Energy from this infalling material drives the GRB jet shown in yellow. In orange is a wind of particles blowing away from the disk and in blue is material ejected from the compact object and expanding at very high speeds of about one tenth the speed of light. (Illustration: NASA/CXC/M.Weiss)

More Information on GRB 140903A

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7. Illustration of Baby Galaxy and Galaxy Core
This artist's impression shows a very young galaxy located in the early Universe less than one billion years after the Big Bang. The distorted appearance of the galaxy is caused by the large number of mergers occurring at this early epoch, and the blue regions mark where star formation is occurring at a high rate. The core of the galaxy is embedded within heavy veils of dust and gas. A cut-out from the core shows that this dust and gas is hiding very bright radiation from the very center of the galaxy, produced by a rapidly growing supermassive black hole.
(Credit: NASA/CXC/M.Weiss)

More Information on CDFS

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8. Illustration of Core of Galaxy and Its Supermassive Black Hole
This artist's impression shows a growing supermassive black hole located at the center of a galaxy's core. The black hole and the copious amounts of optical and ultraviolet radiation produced by gas falling onto it - as shown by the cut-out - are hidden by a heavy veil of dust and gas. However, extremely energetic X-rays can penetrate this dust and gas.
(Credit: NASA/CXC/M.Weiss)

More Information on CDFS

Cygnus X-1
9. Illustration of Cygnus X-1
Cygnus X-1 is located near large active regions of star formation in the Milky Way. An artist's illustration depicts what astronomers think is happening within the Cygnus X-1 system. Cygnus X-1 is a so-called stellar-mass black hole, a class of black holes that comes from the collapse of a massive star. The black hole pulls material from a massive, blue companion star toward it. This material forms a disk (shown in red and orange) that rotates around the black hole before falling into it or being redirected away from the black hole in the form of powerful jets. (Illustration: NASA/CXC/M.Weiss)

More Information on Cygnus X-1

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Stellar-Mass Black Hole
10. Illustration of a Stellar-Mass Black Hole
This is an artist's representation of GRO J1655-40, a binary star system observed in April 2005 by Chandra. This binary consists of a black hole and a normal star shown in blue. Gas is being pulled away from the star and falling onto a red disk spinning around the black hole. Some of this gas spirals in towards the black hole, generating copious amounts of light along the way. This infall of matter is only possible if the gas loses some of its energy either through a wind, shown in blue, or friction in the disk. (Illustration: NASA/CXC/M.Weiss)

More Information on GRO J1655-40

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11. Illustration of Magnetic Fields in GRO J1655-40
This artist's representation shows how magnetic fields may drive a wind in GRO J1655-40. Rotation in the disk plus magnetic actions in the disk can cause magnetic fields, shown here in this simplified version as black lines, to become coiled up like a snake. This can result in gas being driven upwards and away from the disk by pressure created by the magnetic fields, resulting in the wind observed by Chandra. (Illustration: NASA/CXC/M.Weiss)

More Information on GRO J1655-40

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12. AGN illustration
This is an artist's representation of an active galactic nucleus (AGN) at the center of a galaxy. Gas is pulled towards a supermassive black hole and falls onto a disk, shown in red. Some of this gas spirals inwards, generating massive amounts of radiation before falling onto the black hole. This infall of matter is only possible if the gas loses some of its energy either through a wind, shown in blue, or friction in the disk. The most spectacular AGN behavior is seen in quasars, the brightest objects known in the Universe. (Illustration: NASA/CXC/M.Weiss)

More Information on GRO J1655-40

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13. Comparison of an AGN and a Stellar-Mass Black Hole
These two illustrations compare the basic structure of an active galactic nucleus (AGN) and a stellar-mass black hole in a binary system. The AGN contains a supermassive black hole attracting gas from the central regions of a galaxy, while the stellar-mass black hole, typically with a mass about 5-10 times that of the Sun, is rapidly pulling gas from a normal companion star. Although the stellar-mass black hole is millions of times smaller than the black hole in the AGN, there are many similarities in structure between these two types of object. As shown here, both contain black holes surrounded by a disk of hot gas, and a wind blowing away from the disk. There are also many similarities in observational properties. Stellar-mass black holes can therefore be used as scale-models of AGN, and the mechanism that drives the wind - causing gas in the disk to lose energy and fall onto the black hole - is expected to be the same for both classes. (Illustration: NASA/CXC/M.Weiss)

More Information on GRO J1655-40

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Blue Supergiant Star
Blue Supergiant Wind
Supernova Explosion
Supernova Explosion
14. Image Sequence of a Black Hole Pulling Matter from Companion Star
This image sequence shows the orbit of the binary system GRO J1655-40. Gas is being pulled away from a normal star, shown in blue, and crashes onto a red disk that is spinning around a central black hole. The animation then zooms in to show a closer view of the disk. Some of the gas in the disk spirals inwards and falls onto the black hole, generating light along the way, and some of it is blown away in a wind.
View Animation
(Illustration: NASA/CXC/A.Hobart)

More Information on GRO J1655-40

15. Illustration of Black Hole Engine
The first artist's illustration shows a close-up view of a supermassive black hole in a galaxy's center. Gas becomes hotter as it approaches the black hole, turning from red to yellow to white. Most of the gas is swallowed by the black hole, but some is launched in jets away from the black hole at almost the speed of light. The next illustration shows a larger area where gas is first attracted to the black hole, a region about a million times larger than the black hole's event horizon. The final illustration shows enormous cavities -- a hundred times larger -- that have been created in the galaxy's hot gas by jets from the black hole. (Credit: NASA/CXC/M.Weiss)

More Information on NGC 4696

16. Still Images from Animation of Black Hole in Elliptical Galaxy
This artist's illustrations depicts a journey into the center of an elliptical galaxy. After traveling past stars in the outer part of the galaxy, the supermassive black hole located at the bright center of the galaxy becomes visible. This black hole is surrounded by hot gas shown in red and yellow, which acts as fuel for the black hole engine. Power generated by the engine flows away from the black hole via jets of high-energy particles.
View Animation
(Credit: NASA/CXC/A.Hobart)

More Information on NGC 4696

17. Artist's Illustration of Star Formation Around Black Hole
The artist's depiction on the left demonstrates what scientists believe is happening very close to Sgr A*. The supermassive black hole is surrounded by a disk of gas (yellow and red). Massive stars, shown in blue, have formed in this disk, while small disks represent where stars are still forming. The Chandra results show that stars have formed locally in this disk, rather than being deposited there by a star cluster. The second illustration shows the resulting ring of massive stars, which are observable with infrared telescopes. (Illustration: NASA/CXC/M.Weiss)


(Unlabeled)
18. Scenario Dismissed by Chandra Results
The illustration in the upper panel shows the early formation of a star cluster (shown with red gas). To the right of the star cluster is a supermassive black hole surrounded by a disk of red and yellow gas. The lower panel shows the cluster moving towards the supermassive black hole after formation of massive stars (shown in blue) and low-mass stars (shown in red). The cluster will eventually be pulled apart by gravity from the black hole, leaving behind rings of stars. (Illustration: NASA/CXC/M.Weiss)


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19. Illustrations of Stars Forming Around Black Hole
This sequence of images shows a disk of red and yellow gas around a supermassive black hole. As the view pulls back, the formation of stars in the outer regions of the disk is seen. These massive stars form when the gas becomes unstable, despite the black hole's enormous gravitational influence, and collapses inwards.
View Animation
(Illustration: NASA/CXC/A.Hobart)

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