Teaching an Old Dog New Tricks
Astrobites reports on how applying color-magnitude diagrams to distant, semi-resolved galaxies may break new ground in understanding stellar populations on a massive scale.
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Distances in the Dark: Using Binary Black Holes to Study the Universe’s Expansion
Astrobites reports on how astronomers can now measure the expansion rate of the universe using gravitational-wave signals from binary black hole mergers.
What We Don’t Know About Protoplanetary Disks
Astrobites reports on what ALMA observations tell us about the cause of dust rings and gaps in protoplanetary disks.
U(V) Light Up My Life
M dwarfs are known to be active, flaring stars. Astrobites reports on whether this radiation could potentially fuel life instead of destroying it.
A New Window into Prebiotic Nitrogen Chemistry in Protoplanetary Disks
Astrobites reports on what the hunt for nitrogen-bearing molecules in nearby protoplanetary disks has revealed.
The Search for Black Hole Teenagers
Astrobites reports on how the discovery of medium-sized black holes allows us to trace the history of the giant black holes in the center of galaxies.
Solid As a Rock … Not
Why is WASP-12b’s orbit decaying so rapidly? Astrobites reports on whether an unseen companion planet might be influencing this hot Jupiter’s orbit.
Tiny Stars in a Tiny Orbit: A New Ultracompact Binary
Astrobites reports on the NICER discovery of an accreting millisecond pulsar in a record-setting, rapid orbit with a white dwarf.
Reading the Epic of Reionization
Astrobites reports on how dim galaxies lensed by foreground clusters provide a way of measuring the reionization of our universe.
Simulating an Extreme TNO on the Road to Planet Nine
Astrobites reports on how the search for Planet Nine has revealed another unusual object in our solar system.