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The Illusion of Cool Cores: X-ray Glows Powered by Cosmic Rays
It is generally believed that the X-ray emission from cold-core clusters comes from hot gas, where there is a delicate balance between gas cooling and feedback from active galactic nuclei. This paper explores another possibility: are these X-rays simply an illusion of inverse Compton scattering by cosmic rays?
Astrophysical Classics: Hanbury Brown and Twiss Measure the Size of Sirius
In today’s classic 1956 paper, the authors measure a stellar diameter and kick off a debate about the quantum nature of light!
Did this supermassive black hole form from the collapse of a giant gas cloud?
The Infinity Galaxy might be home to a newborn supermassive black hole that formed directly from a gas cloud instead of a star. Could this help reveal how these objects formed in the early universe?
Nearly 1 in 3 Starlink satellites detected within the SKA-Low frequency band
One of the most comprehensive studies of satellite interference at low radio frequencies so far.
Taking Photos with the Lens Cap On: A Search for Dark Matter by JWST
We’ve all seen the stunning images from JWST that have been revealing more and more about the Universe. In today’s paper, we find out that JWST’s camera can take informative photos even with a lens cap on.
The Dark Side of Exoplanets
Today’s bite explores planets made of dark matter and how we might find them.
Beyond astro-ph
Astronomy beyond the research
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Navigating careers in astronomy
Career advice
Is there still a gender gap in research?
Today’s beyond post looks at a study into advances in closing the gender gap in academia.
Outreach for Astronomers: Letters to a Pre-Scientist and MIT Astrogazers
In our new series on outreach, we highlight activities you can do at any stage of your career – first up, Letters to a Pre-Scientist and MIT Astrogazers!
Fixing academic posters: the #BetterPoster approach
How can we make academic posters clear, concise, and quick without sacrificing information?