Age Is Just a Number: Radioactive Dating in Stars
Astrobites reports on how to determine the ages of stars by measuring their uranium reserves as they slowly tick away.
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Could Rings Explain an Intriguing Exoplanet Spectrum?
Astrobites reports on K2-33b: a potentially puffy planet that might be a Saturn-like satellite instead.
Finding High-Redshift Dead Galaxies (but for Real This Time)
Astrobites reports on a new way to pick out dead galaxies that may help us learn how star formation stops in the early universe.
Detecting Exoplanets’ Elusive Magnetic Fields with Radio Transits
Astrobites reports on a promising method for detecting and constraining exoplanetary magnetic fields: measuring their effects on a host star’s radio emission during transits.
The Curious Case of the Dwarf Galaxy Pegasus W
Astrobites reports on a newly discovered local galaxy, which has re-ignited the debate about the role that reionization plays in quenching ultra-faint dwarf galaxies.
Knock, Knock. Who’s There? A Free-Floating Planet!
Astrobites reports on a free-floating planet that may have paid a visit to a binary star system hosting an exoplanet and a debris disk.
New Insights into the Puzzle of NGC 1068
Astrobites reports on the active galactic nucleus–starburst composite galaxy NGC 1068 and a model for its multi-messenger emission.
Dancing with the (Six) Stars: A 200-Year Story of the Castor System
Astrobites reports on a sextuple star system and efforts to measure the six stars’ masses once and for all.
Planets Around Not-Quite-Planets
Astrobites reports on the detection of a possible transiting exoplanet around a brown dwarf.
Zooming In on an Active Galactic Nucleus Outflow with JWST
Astrobites reports on how the outflows from NGC 7469’s active galactic nucleus interact with the surrounding interstellar medium.