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* ''Literature/Aeon14'': Ascended {{AI}}s from the [[RobotWar Sentience Wars]] early in the setting's history, are revealed to have taken refuge in the galactic core... in the form of pure information residing within the Sagittarius A* black hole at its center. One character, [[spoiler:Sera's mother]], once sought them out [[spoiler:and had her mind ripped from her body and turned into Airtha, one of the ''Orion War'' series' major villains]].

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* ''Literature/Aeon14'': Ascended {{AI}}s {{Artificial Intelligence}}s from the [[RobotWar Sentience Wars]] early in the setting's history, are revealed to have taken refuge in the galactic core... in the form of pure information residing within the Sagittarius A* black hole at its center. One character, [[spoiler:Sera's mother]], once sought them out [[spoiler:and had her mind ripped from her body and turned into Airtha, one of the ''Orion War'' series' major villains]].


Just for starters, the closely packed stars, and their proximity to the supermassive black hole which forms the center of the core, make life in the core constantly interesting thanks to chaotic gravitational interactions. Stars can be flung off into deep space or into the core, directly collide with one another to merge (or explode), or even be ripped apart and cannibalized by larger neighbors[[note]]This of course means things are ''very'' bleak there for planetary systems[[/note]]. And that's after you consider the fact that all of those stars and the core itself are constantly pouring out vast amounts of radiation across the entire spectrum. If there are planets out there, they must have a truly WeirdSky, full of the ‘fuzz’ created by the light of billions of old, but still ridiculously bright stars in close proximity to each other.

to:

Just for starters, the closely packed stars, and their proximity to the supermassive black hole which forms the center of the core, make life in the core constantly interesting thanks to chaotic gravitational interactions. Stars can be flung off into deep space or into the core, directly collide with one another to merge (or explode), or even be ripped apart and cannibalized by larger neighbors[[note]]This of course means things are ''very'' bleak there for planetary systems[[/note]]. And that's after you consider the fact that all of those stars and the core itself are constantly pouring out vast amounts of radiation across the entire spectrum. If there are planets out there, they must have a truly WeirdSky, [[AlienSky weird skies]], full of the ‘fuzz’ created by the light of billions of old, but still ridiculously bright stars in close proximity to each other.


Just for starters, the closely packed stars, and their proximity to the supermassive black hole which forms the center of the core, make life in the core constantly interesting thanks to chaotic gravitational interactions. Stars can be flung off into deep space or into the core, directly collide with one another to merge (or explode), or even be ripped apart and cannibalized by larger neighbors[[note]]This of course means things are ''very'' bleak there for planetary systems[[/note]]. And that's after you consider the fact that all of those stars and the core itself are constantly pouring out vast amounts of radiation across the entire spectrum.

to:

Just for starters, the closely packed stars, and their proximity to the supermassive black hole which forms the center of the core, make life in the core constantly interesting thanks to chaotic gravitational interactions. Stars can be flung off into deep space or into the core, directly collide with one another to merge (or explode), or even be ripped apart and cannibalized by larger neighbors[[note]]This of course means things are ''very'' bleak there for planetary systems[[/note]]. And that's after you consider the fact that all of those stars and the core itself are constantly pouring out vast amounts of radiation across the entire spectrum.
spectrum. If there are planets out there, they must have a truly WeirdSky, full of the ‘fuzz’ created by the light of billions of old, but still ridiculously bright stars in close proximity to each other.


* ''Webcomic/{{Drive}}'': The Continuum of Makers, one of the most powerful civilizations in existence and a bitter and deadly enemy of humanity, is centered over the Milky Way's galactic core.

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* ''Webcomic/{{Drive}}'': ''Webcomic/DriveDaveKellet'': The Continuum of Makers, one of the most powerful civilizations in existence and a bitter and deadly enemy of humanity, is centered over the Milky Way's galactic core.


** [[https://en.wikipedia.org/wiki/Seyfert_galaxy Seyfert galaxies]] are the least luminous type, but that's very relative; they're defined as galaxies with AGNs where the rest of the galaxy is still detectable - the nucleus is still emitting energy on the level of entire galaxies. Some of these are close enough to be the strongest radio sources in Earth's sky.

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** [[https://en.wikipedia.org/wiki/Seyfert_galaxy Seyfert galaxies]] are the least luminous type, but that's very relative; they're defined as galaxies with AGNs [=AGNs=] where the rest of the galaxy is still detectable - the nucleus is still emitting energy on the level of entire galaxies. Some of these are close enough to be the strongest radio sources in Earth's sky.


* Active galactic nuclei (AGNs), as mentioned above, are the single most luminous class of object in the universe. They come in several types:

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* Active galactic nuclei (AGNs), ([=AGNs=]), as mentioned above, are the single most luminous class of object in the universe. They come in several types:


* The real life galactic core of the Milky Way is everything but peaceful. As noted above it's surrounded by huge dust clouds, many star remnants surround the central zone, and a good part of them consists of neutron stars and black holes (objects you should never get close to). A few light years from the center[[note]]The galactic center is not the same as the galactic ''[[https://en.wikipedia.org/wiki/Barycenter bary]]''center[[/note]] we have a system formed by at least a dozen stars, which orbit at a mindblowing speed (the closest star to it reached an estimated speed of over 5000 km/s at its perihelion) Sagittarius A*, a body as heavy as 4 million suns that is considered the actual center of the galaxy. That is, a black hole large enough to dwarf our Sun --in mass, in size it's way larger than the Daystar but not as much as [[UsefulNotes/BlackHoles one would think]], the same way our Sun dwarfs Earth. And we've been lucky to not live near an active galactic core.

to:

* The real life galactic core of the Milky Way is everything but peaceful. As noted above it's surrounded by huge dust clouds, many star remnants surround the central zone, and a good part of them consists of neutron stars and black holes (objects you should never get close to). A few light years from the center[[note]]The galactic center is not the same as the galactic ''[[https://en.wikipedia.org/wiki/Barycenter bary]]''center[[/note]] we have a system formed by at least a dozen stars, which orbit at a mindblowing speed (the closest star to it reached an estimated speed of over 5000 km/s at its perihelion) Sagittarius A*, a body as heavy as 4 million suns that is considered the actual center of the galaxy. That is, a black hole large enough to dwarf our Sun --in mass, in size it's way larger than the Daystar but not as much as [[UsefulNotes/BlackHoles one would think]], the same way our Sun dwarfs Earth. And we've been lucky ''lucky'' to not live near an active galactic core.core.

* Active galactic nuclei (AGNs), as mentioned above, are the single most luminous class of object in the universe. They come in several types:
** [[https://en.wikipedia.org/wiki/Seyfert_galaxy Seyfert galaxies]] are the least luminous type, but that's very relative; they're defined as galaxies with AGNs where the rest of the galaxy is still detectable - the nucleus is still emitting energy on the level of entire galaxies. Some of these are close enough to be the strongest radio sources in Earth's sky.
** [[https://en.wikipedia.org/wiki/Quasar Quasars]] are luminous enough that their emissions drown out those of the rest of their galaxy. These ones can have relativistic jets of material shooting out millions of light-years from their poles. No one knows what makes these jets.
** [[https://en.wikipedia.org/wiki/Blazar Blazars]] are what happens when a quasar's jet is pointing at Earth. As such, they're ''extremely'' bright, and relativistic lensing sometimes makes it look like the material in the jet is moving faster than light at first glance.


To top it off, and at least in our galaxy the Milky Way -- in others things may be even more lively (or not as some, usually small ones, lack a core. In others said core is small, just a massive and very dense star cluster), up to the core [[https://en.wikipedia.org/wiki/Quasar bursting with the light of hundreds of galaxies]] --, while most of the stars there are old as the galaxy itself and has little on what refers to star-forming material one can find at its very center ''a lot'' of young stars that include some of the most luminous known, often crammed in [[https://en.wikipedia.org/wiki/Arches_cluster very dense]] [[https://en.wikipedia.org/wiki/Quintuplet_cluster star clusters]], and enough interstellar matter to form similar ones in the future. It's in fact expected that some hundreds of millions of years in the future enough gas will accumulate in the galactic center to transform said very center in a [[https://en.wikipedia.org/wiki/Starburst_region starburst region]], with both copious amount of star formation and supernovae, stellar winds, and radiations turned UpToEleven[[note]]And this without including the possibility of the supermassive black hole, Sagittarius A*, accreting enough matter to light up an [[https://en.wikipedia.org/wiki/Active_galactic_nucleus active galactic nucleus]][[/note]].


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To top it off (at least in our galaxy the Milky Way), while most of the stars there are old as the galaxy itself and has little on what refers to star-forming material, one can find at its very center a ''lot'' of young stars that include some of the most luminous known, often crammed in [[https://en.wikipedia.org/wiki/Arches_cluster very dense]] [[https://en.wikipedia.org/wiki/Quintuplet_cluster star clusters]], and enough interstellar matter to form similar ones in the future. It's in fact expected that some hundreds of millions of years in the future enough gas will accumulate in the galactic center to transform said very center in a [[https://en.wikipedia.org/wiki/Starburst_region starburst region]], with both copious amount of star formation and supernovae, stellar winds, and radiations turned UpToEleven.

[[SerialEscalation And that's just in the Milky Way!]] Some other galaxies have [[https://en.wikipedia.org/wiki/Active_galactic_nucleus active galactic nuclei]], in which the accretion of matter spiraling into a supermassive black hole accelerates its rotation faster and faster until it's outputting energy far beyond anything else in the universe - sometimes strong enough to drown out the ''entire rest of the galaxy they're part of'', becoming a [[https://en.wikipedia.org/wiki/Quasar quasar]]. It's probably for the best that Earth isn't in one of those galaxies.


* In ''VideoGame/MassEffect2'', the galactic core is revealed to be the location of [[spoiler:the Collectors' home base]]. They use it because they have the technology to make it a viable location for a permanent installation, whereas most species would be unable to cope with the high concentration of black holes and stars, which makes it an excellent secret hideout.

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* In ''VideoGame/MassEffect2'', the galactic core is revealed to be the location of [[spoiler:the Collectors' home base]]. They use it because they have the technology to make it a viable location for a permanent installation, whereas most species would be unable to cope with the high concentration of black holes and stars, which makes it an excellent secret hideout. The final main story mission is pulling off a commando raid on said base.


To top it off, and at least in our galaxy the Milky Way -in others things may be even more lively (or not as some, usually small ones, lack a core. In others said core is small, just a massive and very dense star cluster), up to the core [[https://en.wikipedia.org/wiki/Quasar bursting with the light of hundreds of galaxies]]-, while most of the stars there are old as the galaxy itself and has little on what refers to star-forming material one can find at its very center ''a lot'' of young stars that include some of the most luminous known, often crammed in [[https://en.wikipedia.org/wiki/Arches_cluster very dense]] [[https://en.wikipedia.org/wiki/Quintuplet_cluster star clusters]], and enough interstellar matter to form similar ones in the future. It's in fact expected that some hundreds of millions of years in the future enough gas will accumulate in the galactic center to transform said very center in a [[https://en.wikipedia.org/wiki/Starburst_region starburst region]], with both copious amount of star formation and supernovae, stellar winds, and radiations turned UpToEleven[[note]]And this without including the possibility of the supermassive black hole, Sagittarius A*, accreting enough matter to light up an [[https://en.wikipedia.org/wiki/Active_galactic_nucleus active galactic nucleus]][[/note]].

to:

To top it off, and at least in our galaxy the Milky Way -in -- in others things may be even more lively (or not as some, usually small ones, lack a core. In others said core is small, just a massive and very dense star cluster), up to the core [[https://en.wikipedia.org/wiki/Quasar bursting with the light of hundreds of galaxies]]-, galaxies]] --, while most of the stars there are old as the galaxy itself and has little on what refers to star-forming material one can find at its very center ''a lot'' of young stars that include some of the most luminous known, often crammed in [[https://en.wikipedia.org/wiki/Arches_cluster very dense]] [[https://en.wikipedia.org/wiki/Quintuplet_cluster star clusters]], and enough interstellar matter to form similar ones in the future. It's in fact expected that some hundreds of millions of years in the future enough gas will accumulate in the galactic center to transform said very center in a [[https://en.wikipedia.org/wiki/Starburst_region starburst region]], with both copious amount of star formation and supernovae, stellar winds, and radiations turned UpToEleven[[note]]And this without including the possibility of the supermassive black hole, Sagittarius A*, accreting enough matter to light up an [[https://en.wikipedia.org/wiki/Active_galactic_nucleus active galactic nucleus]][[/note]].


* ''VideoGame/{{Spore}}'': The galactic core is surrounded by the civilization of the biomechanical AbusivePrecursors the Grox, and reaching the core itself reveals [[spoiler: a wormhole allowing you to make contact with a civilization of more BenevolentPrecursors, making this a SubvertedTrope]].
** Even if you ignore the Grox, the effect of the core's heavy gravity means that your ship's travel radius is shorter, so navigating becomes much more tricky.

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* ''VideoGame/{{Spore}}'': The galactic core is surrounded by the civilization of the biomechanical AbusivePrecursors the Grox, and reaching the core itself reveals [[spoiler: a wormhole allowing you to make contact with a civilization of more BenevolentPrecursors, making this a SubvertedTrope]].
**
SubvertedTrope]]. Even if you ignore ignoring the Grox, the effect of the core's heavy gravity means that your ship's travel radius is shorter, so navigating becomes much more tricky.


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* ''Webcomic/{{Drive}}'': The Continuum of Makers, one of the most powerful civilizations in existence and a bitter and deadly enemy of humanity, is centered over the Milky Way's galactic core.


Just for starters, the closely packed stars, and their proximity to the supermassive black hole which forms the center of the core, make life in the core constantly interesting thanks to chaotic gravitational interactions. Stars can be flung off into deep space or into the core, directly collide with one another to merge (or explode), or even be ripped apart and cannibalized by larger neighbors. And that's after you consider the fact that all of those stars and the core itself are constantly pouring out vast amounts of radiation across the entire spectrum.

to:

Just for starters, the closely packed stars, and their proximity to the supermassive black hole which forms the center of the core, make life in the core constantly interesting thanks to chaotic gravitational interactions. Stars can be flung off into deep space or into the core, directly collide with one another to merge (or explode), or even be ripped apart and cannibalized by larger neighbors.neighbors[[note]]This of course means things are ''very'' bleak there for planetary systems[[/note]]. And that's after you consider the fact that all of those stars and the core itself are constantly pouring out vast amounts of radiation across the entire spectrum.



To top it off, and at least in our galaxy the Milky Way -in others things may be even more lively or not.-, while most of the stars in the core are old as the galaxy itself and has little on what refers to star-forming material one can find at its very center ''a lot'' of young stars that include some of the most luminous known, often crammed in [[https://en.wikipedia.org/wiki/Arches_cluster very dense]] [[https://en.wikipedia.org/wiki/Quintuplet_cluster star clusters]] and enough interstellar matter to form similar clusters in the future. It's in fact expected that some hundreds of millions of years in the future enough gas will accumulate there to transform said very center in a [[https://en.wikipedia.org/wiki/Starburst_region starburst region]], with copious amount of star formation and both supernovae and stellar winds turned UpToEleven[[note]]And this without including the possibility of the supermassive black hole, Sagittarius A*, accreting enough matter to light up an [[https://en.wikipedia.org/wiki/Active_galactic_nucleus active galactic nucleus]][[/note]].

to:

To top it off, and at least in our galaxy the Milky Way -in others things may be even more lively or not.-, (or not as some, usually small ones, lack a core. In others said core is small, just a massive and very dense star cluster), up to the core [[https://en.wikipedia.org/wiki/Quasar bursting with the light of hundreds of galaxies]]-, while most of the stars in the core there are old as the galaxy itself and has little on what refers to star-forming material one can find at its very center ''a lot'' of young stars that include some of the most luminous known, often crammed in [[https://en.wikipedia.org/wiki/Arches_cluster very dense]] [[https://en.wikipedia.org/wiki/Quintuplet_cluster star clusters]] clusters]], and enough interstellar matter to form similar clusters ones in the future. It's in fact expected that some hundreds of millions of years in the future enough gas will accumulate there in the galactic center to transform said very center in a [[https://en.wikipedia.org/wiki/Starburst_region starburst region]], with both copious amount of star formation and both supernovae and supernovae, stellar winds winds, and radiations turned UpToEleven[[note]]And this without including the possibility of the supermassive black hole, Sagittarius A*, accreting enough matter to light up an [[https://en.wikipedia.org/wiki/Active_galactic_nucleus active galactic nucleus]][[/note]].


* The real life galactic core of the Milky Way is everything but peaceful. As noted above it's surrounded by huge dust clouds, many star remnants surround the central zone, and a good part of them consists of neutron stars and black holes (objects you should never get close to). A few light years from the center[[note]]The galactic center is not the same as the galactic ''[[https://en.wikipedia.org/wiki/Barycenter bary]]''center]][[/note]] we have a system formed by at least a dozen stars, which orbit at a mindblowing speed (the closest star to it reached an estimated speed of over 5000 km/s at its perihelion) Sagittarius A*, a body as heavy as 4 million suns that is considered the actual center of the galaxy. That is, a black hole large enough to dwarf our Sun --in mass, in size it's way larger than the Daystar but not as much as [[UsefulNotes/BlackHoles one would think]], the same way our Sun dwarfs Earth. And we've been lucky to not live near an active galactic core.

to:

* The real life galactic core of the Milky Way is everything but peaceful. As noted above it's surrounded by huge dust clouds, many star remnants surround the central zone, and a good part of them consists of neutron stars and black holes (objects you should never get close to). A few light years from the center[[note]]The galactic center is not the same as the galactic ''[[https://en.wikipedia.org/wiki/Barycenter bary]]''center]][[/note]] bary]]''center[[/note]] we have a system formed by at least a dozen stars, which orbit at a mindblowing speed (the closest star to it reached an estimated speed of over 5000 km/s at its perihelion) Sagittarius A*, a body as heavy as 4 million suns that is considered the actual center of the galaxy. That is, a black hole large enough to dwarf our Sun --in mass, in size it's way larger than the Daystar but not as much as [[UsefulNotes/BlackHoles one would think]], the same way our Sun dwarfs Earth. And we've been lucky to not live near an active galactic core.


* The real life galactic core of the Milky Way is everything but peaceful. As noted above it's surrounded by huge dust clouds, many star remnants surround the central zone, and a good part of them consists of neutron stars and black holes (objects you should never get close to). A few light years from the center[[note]]The galactic center is not the same as the galactic [[https://en.wikipedia.org/wiki/Barycenter ''bary''center]][[/note]] we have a system formed by at least a dozen stars, which orbit at a mindblowing speed (the closest star to it reached an estimated speed of over 5000 km/s at its perihelion) Sagittarius A*, a body as heavy as 4 million suns that is considered the actual center of the galaxy. That is, a black hole large enough to dwarf our Sun --in mass, in size it's way larger than the Daystar but not as much as [[UsefulNotes/BlackHoles one would think]], the same way our Sun dwarfs Earth. And we've been lucky to not live near an active galactic core.

to:

* The real life galactic core of the Milky Way is everything but peaceful. As noted above it's surrounded by huge dust clouds, many star remnants surround the central zone, and a good part of them consists of neutron stars and black holes (objects you should never get close to). A few light years from the center[[note]]The galactic center is not the same as the galactic [[https://en.''[[https://en.wikipedia.org/wiki/Barycenter ''bary''center]][[/note]] bary]]''center]][[/note]] we have a system formed by at least a dozen stars, which orbit at a mindblowing speed (the closest star to it reached an estimated speed of over 5000 km/s at its perihelion) Sagittarius A*, a body as heavy as 4 million suns that is considered the actual center of the galaxy. That is, a black hole large enough to dwarf our Sun --in mass, in size it's way larger than the Daystar but not as much as [[UsefulNotes/BlackHoles one would think]], the same way our Sun dwarfs Earth. And we've been lucky to not live near an active galactic core.


On the Real Life side, the area around the galactic core of the Milky Way galaxy[[note]]Its very center; farther away things are less so[[/note]] is in fact thought to be a rather strange and hostile place.

to:

On the Real Life side, the area around the galactic core of the Milky Way a galaxy[[note]]Its very center; farther away things are less so[[/note]] is in fact thought to be a rather strange and hostile place.



To top it off, while most of the stars in the core are old as the galaxy itself and has little on what refers to star-forming material one can find at its very center ''a lot'' of young stars that include some of the most luminous known, often crammed in [[https://en.wikipedia.org/wiki/Arches_cluster very dense]] [[https://en.wikipedia.org/wiki/Quintuplet_cluster star clusters]] and enough interstellar matter to form similar clusters in the future. It's in fact expected that some hundreds of millions of years in the future enough gas will accumulate there to transform said very center in a [[https://en.wikipedia.org/wiki/Starburst_region starburst region]], with copious amount of star formation and both supernovae and stellar winds turned UpToEleven[[note]]And this without including the possibility of the supermassive black hole, Sagittarius A<sup>*</sup> accreting enough matter to light up an [[https://en.wikipedia.org/wiki/Active_galactic_nucleus active galactic nucleus]][[/note]].

to:

To top it off, and at least in our galaxy the Milky Way -in others things may be even more lively or not.-, while most of the stars in the core are old as the galaxy itself and has little on what refers to star-forming material one can find at its very center ''a lot'' of young stars that include some of the most luminous known, often crammed in [[https://en.wikipedia.org/wiki/Arches_cluster very dense]] [[https://en.wikipedia.org/wiki/Quintuplet_cluster star clusters]] and enough interstellar matter to form similar clusters in the future. It's in fact expected that some hundreds of millions of years in the future enough gas will accumulate there to transform said very center in a [[https://en.wikipedia.org/wiki/Starburst_region starburst region]], with copious amount of star formation and both supernovae and stellar winds turned UpToEleven[[note]]And this without including the possibility of the supermassive black hole, Sagittarius A<sup>*</sup> A*, accreting enough matter to light up an [[https://en.wikipedia.org/wiki/Active_galactic_nucleus active galactic nucleus]][[/note]].



* The real life galactic core of the Milky Way is everything but peaceful. Surrounded by huge dust clouds, many star remnants surround the central zone, and a good part of them consists of neutron stars and black holes (objects you should never get close to). A few light years from the center we have a system formed by at least a dozen stars, which orbit around a massive object at a mindblowing speed. The closest star to the so-called Sagittarius A* reached an estimated speed of over 5000 km/s at its perihelion. Finally, at the very center lies a body as heavy as 4 million suns. That is, a black hole large enough to dwarf our Sun the same way our Sun dwarfs Earth. And we've been lucky to not live near an active galactic core.

to:

* The real life galactic core of the Milky Way is everything but peaceful. Surrounded As noted above it's surrounded by huge dust clouds, many star remnants surround the central zone, and a good part of them consists of neutron stars and black holes (objects you should never get close to). A few light years from the center[[note]]The galactic center is not the same as the galactic [[https://en.wikipedia.org/wiki/Barycenter ''bary''center]][[/note]] we have a system formed by at least a dozen stars, which orbit around a massive object at a mindblowing speed. The speed (the closest star to the so-called Sagittarius A* it reached an estimated speed of over 5000 km/s at its perihelion. Finally, at the very center lies perihelion) Sagittarius A*, a body as heavy as 4 million suns. suns that is considered the actual center of the galaxy. That is, a black hole large enough to dwarf our Sun --in mass, in size it's way larger than the Daystar but not as much as [[UsefulNotes/BlackHoles one would think]], the same way our Sun dwarfs Earth. And we've been lucky to not live near an active galactic core.

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