Even Dark Sky Sites Aren’t Immune to Light Pollution
Researchers quantified the impact of artificial lighting on sites across Chile for the first time, showing that we must actively preserve dark skies in remote areas and urban corridors alike.
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Sloshing in the Universe’s Biggest Bathtub
Astrobites reports on the exciting goings-on around the sloshing center of the galaxy cluster Abell 2495.
Featured Image: How Close Is Too Close to a Kilonova?
How far do we need to be from a kilonova to be safe from the explosion’s X-rays, gamma rays, and cosmic rays?
What Kind of World is LHS 1140b?
One of the most popular planets is also maddeningly ambiguous: is LHS 1140b rocky, watery, or gaseous?
How to Peel a Star Apart with a Black Hole
You can take a star apart layer by layer — all you’ll need is a black hole and a set of precisely tuned orbital parameters.
Two Small Magellanic Clouds Are Better than One
Astrobites reports on the recent exciting discovery that the Small Magellanic Cloud is actually composed of two distinct star-forming systems.
Monthly Roundup: Supernovae in the Spotlight
Today’s post introduces four research articles that examine various aspects of supernova science, from attempts to determine how lightweight a supernova progenitor star can be to exploring why some massive stars don’t produce supernovae at all.
Using Ancient Ultraviolet Light to Probe Theories of Cosmology
Could measuring ultraviolet light from small galaxies in the early universe help researchers test the leading theory of cosmology?
Are Binary Black Hole Spins and Mass Ratios Correlated?
Researchers have used new models to explore whether reported correlations in the properties of black hole binary systems are real or just a consequence of previous statistical methods.
Tilted Tatooines Can Serve as a Source of Strange Solo Planets
Astrobites reports on how the messy evolution of tilted planetary systems around binary stars could help explain the existence of free-floating planets.
Featured Image: Lensed Quasars and the Hubble Constant
Quasars that have been gravitationally lensed by galaxy clusters provide a way to measure the expansion rate of the universe and possibly alleviate the Hubble tension.
The AAS Goes to LIGO
Following the recent AAS meeting, the AAS Press team led a group of reporters to LIGO Livingston to learn about the history and future of gravitational wave detections.