X-rays

An all-sky map showing the X-ray bubbles seen by eROSITA (teal) and in gamma rays by Fermi (red). The X-ray bubbles are larger and appear to fully enclose the gamma-ray bubbles. Credit: MPE/IKI courtesy eROSITA PI Andrea Merloni
Our galaxy is blowing *enormous* hot bubbles into space and no one knows why
Phil Plait
Dec 10, 2020
Trending on SYFY WIRE in X-rays
Tag: Bad Astronomy
Tag: Gamma Rays
Tag: Milky Way Galaxy
Tag: Science
Tag: supermassive black holes

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Tag: Science
Tag: Bad Astronomy
Tag: supermassive black holes
How do supermassive black holes launch powerful jets of matter? With hot gas and magnetism.
Phil Plait
Oct 15, 2020
Artwork depicting a supermassive black hole surrounded by an accretion disk and magnetic corona, with powerful jets launching away in opposite directions. Credit: NASA/CXC/M. Weiss
Tag: Science
Tag: Bad Astronomy
Tag: supermassive black holes
Tag: Science
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Tag: Supernova
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.
Tag: Science
Tag: Bad Astronomy
Tag: Supernova
Tag: Science
Tag: X-rays
Tag: telescope
Even Superman's X-ray vision can't capture images like this six-month, all-sky shot of the cosmos
Jeff Spry
Jul 10, 2020
Cosmos hero
Tag: Science
Tag: X-rays
Tag: telescope
Tag: Science
Tag: Bad Astronomy
Tag: X-rays
Are some parts of the Universe expanding faster than others? Maaaaaaybe.
Phil Plait
Apr 9, 2020
An all-sky map showing what may be a change in the expansion rate of the Universe across the sky; faster in some places (red-yellow) and slower in others (purple-black). Credit: K. Migkas et al. 2020, CC BY-SA 3.0 IGO
Tag: Science
Tag: Bad Astronomy
Tag: X-rays
Tag: Science
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Tag: galaxy clusters
eROSITA is now scanning the skies for X-rays
Phil Plait
Oct 23, 2019
eROSITA observation of the interacting galaxy clusters Abell 3391 and 3395. An image in three X-ray colors shows the clusters (left), and a different view highlights the gas connecting them (right).
Tag: Science
Tag: Bad Astronomy
Tag: galaxy clusters
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Tag: Pulsars
The most compact accreting binary X-ray millisecond pulsar ever!
Phil Plait
Jun 20, 2019
Artwork depicting a millisecond pulsar, sped up to phenomenal rotation rates by material it's eating from its companion star. Credit: NASA / GSFC SVS / Dana Berry
Tag: Science
Tag: Bad Astronomy
Tag: Pulsars
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Tag: galaxies
A galaxy torn apart blasts out a six-million-degree scream
Phil Plait
May 29, 2019
The face-on spiral galaxy is lovely in optical light (blue) but has a very big secret in X-rays (purple). Credit: X-ray: NASA/CXC/Huntingdon Inst. for X-ray Astronomy/G.Garmire, Optical: ESO/VLT
Tag: Science
Tag: Bad Astronomy
Tag: galaxies
Tag: Science
Tag: Bad Astronomy
Tag: spiral galaxy
Thanks to a huge black hole, this galaxy grew an extra pair of arms
Phil Plait
Sep 13, 2018
The inner disk of the spiral galaxy M 106 shows a pair of “anomalous arms”, actually gas heated by emission from the central black hole. Credit: NASA, ESA, the Hubble Heritage Team (STScI/AURA), and R. Gendler (for the Hubble Heritage Team). Acknowledgmen
Tag: Science
Tag: Bad Astronomy
Tag: spiral galaxy
Tag: Science
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Tag: galaxies
WHAM! BULLSEYE! Galactic collision creates a ring of black holes and neutron stars
Phil Plait
Sep 10, 2018
The ring galaxy AM 0644-071, created when a small compact galaxy plowed through the middle of a spiral galaxy at least tens of millions of years ago. Credit: NASA, ESA, and The Hubble Heritage Team (AURA/STScI)
Tag: Science
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Tag: galaxies
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Tag: Black Holes
The dead star, the doomed star, and their little friend
Phil Plait
May 8, 2018
Artwork depicting a black hole drawing material off its massive blue stellar companion. Credit: NASA/CXC/M.Weiss
Tag: Science
Tag: Bad Astronomy
Tag: Black Holes
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Tag: X-rays
Celestial fireworks pop off in a cosmic train wreck
Phil Plait
Jul 5, 2017
Arp 299 X-rays
Tag: Science
Tag: Bad Astronomy
Tag: X-rays