active galaxies

Philip Plait Bad Astronomy EHT Cena SMBH
A deep look at a nearby galaxy’s black hole reveals the launching point of intergalactic jets
Phil Plait
Jul 19, 2021
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A quasar at the edge of the observable Universe has its radio turned *way* up
Phil Plait
Mar 8, 2021
Artwork depicting a distant quasar, an actively feeding supermassive black hole in the center of a galaxy, blasting out jets of matter and energy. Credit: ESO/M. Kornmesser
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Staring down the throat of an ancient, *extremely* distant black hole
Phil Plait
Feb 23, 2021
Artist drawing of a blazar, a galaxy with a supermassive black hole spewing out energy. Credit: DESY, Science Communication Lab
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Like a runaway locomotive, NGC 1265 is leaving a 'smoke' trail behind it
Phil Plait
Dec 3, 2020
NGC 1265 is a galaxy blowing tremendously long jets of gas that emit radio waves, and as it moves through gas between galaxies those jets get blown back. Credit: M. Gendron-Marsolais et al.; S. Dagnello, NRAO/AUI/NSF; SDSS.
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The tweet that led to a science paper about galactic crepuscular rays
Phil Plait
Nov 23, 2020
IC 5063 is an active galaxy where shadows tens of thousands of light years long are being cast from the center. Credit: NASA, ESA, STScI and W. P . Maksym (CfA)
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The ghost of an angry black hole still haunts this galaxy
Phil Plait
Sep 3, 2020
Radio image of the galaxy PGC 064440 shows it had jets of matter streaming away from it (long lines) in the past. Eventually the jets stopped, and the material is flowing back to the galaxy, but then gets pushed away to form the shorter arms of the X.
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How to make a blazar: Slam two galaxies together and watch them feed a huge black hole
Phil Plait
Aug 13, 2020
Artist drawing of a blazar, a galaxy with a supermassive black hole spewing out energy. Credit: DESY, Science Communication Lab
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The nearby supernova no one saw
Phil Plait
Jul 31, 2020
A Hubble image of the Circinus Galaxy taken in 1999, after SN1996cr exploded but before it was discovered, with an arrow representing the approximate location of the supernova. The red glow is from hydrogen.
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Tag: Black Holes
Merging black holes blast out light… but not for the reason you'd think
Phil Plait
Jun 29, 2020
A binary pair of black holes about to merge together, near the huge disk of material swirling around a supermassive black hole in a distant active galaxy. Credit: Caltech/R. Hurt (IPAC)
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Tag: quasars
A binary quasar caught by accident!
Phil Plait
Jun 17, 2020
Artwork depicting binary quasars, two actively galaxies orbiting one another. Credit: NASA/ESA/Hubble/ESO/M. Kornmesser, adapted by Phil Plait
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Quarter-million-light-year long threads in an active galaxy have astronomers… engaged
Phil Plait
Jun 10, 2020
The active galaxy ESO 137-006 is sending out two beams of matter that puff up at the ends and emit radio waves. They appear to be connected by several narrow threads of gas, the origin of which is unclear. The galaxy itself is the dot in the center. Credi
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A huge black hole eats a huger black hole's dinner then explodes with the light of a trillion suns
Phil Plait
May 11, 2020
Artwork (not to scale) depicting the binary black hole in the heart of the blazar OJ 287. The less massive black hole plunges through the accretion disk around the more massive black hole, creating a huge bubble of superheated gas. Credit: NASA/JPL-Caltec
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Down the mouth of a monster: Event Horizon Telescope stares down a blazar's jet
Phil Plait
Apr 8, 2020
Artist drawing of a blazar, a galaxy with a supermassive black hole spewing out energy. Credit: DESY, Science Communication Lab
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Record-breaking blazar found 12.8 *billion* light years from Earth
Phil Plait
Mar 9, 2020
Artist drawing of a blazar, a galaxy with a supermassive black hole spewing out energy. Credit: DESY, Science Communication Lab
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In dwarf galaxies, a black hole wind is rising
Phil Plait
Jan 27, 2020
Black hole with accretion disk and jets
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The wind from a galaxy's supermassive black hole helps make stars… in other galaxies
Phil Plait
Nov 27, 2019
Artist drawing of a blazar, a galaxy with a supermassive black hole spewing out energy. Credit: DESY, Science Communication Lab
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