X-rays

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Tag: Bad Astronomy

Tag: Milky Way Galaxy

Our galaxy is blowing *enormous* hot bubbles into space and no one knows why

Phil Plait

Dec 10, 2020

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

Tag: Bad Astronomy

Tag: Milky Way Galaxy

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: Bad Astronomy

Tag: supermassive black holes

Tag: Bad Astronomy

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: Bad Astronomy

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

Tag: Bad Astronomy

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: Bad Astronomy

Tag: Bad Astronomy

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: Bad Astronomy

Tag: galaxy clusters

Tag: Bad Astronomy

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: Bad Astronomy

Tag: Bad Astronomy

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: Bad Astronomy

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: Bad Astronomy

Tag: spiral galaxy

Tag: Bad Astronomy

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: Bad Astronomy

Tag: Bad Astronomy

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: Bad Astronomy

Tag: Black Holes

Tag: Bad Astronomy

Celestial fireworks pop off in a cosmic train wreck

Phil Plait

Jul 5, 2017

Tag: Bad Astronomy

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