Stellar Express: Irregular Moon Delivery
Astrobites reports on how a star flying by the early solar system could have delivered irregular moons to the giant planets.
Astrobites RSS
Unmasking the Little Red Dots: Active Galactic Nuclei or Not?
Astrobites reports on a deep dive into the nature of “little red dot” galaxies seen by JWST. Do they harbor active galactic nuclei, or are stars solely responsible for the extreme properties of these galaxies?
Seeing an Active Galactic Nucleus with 20/20 X-Ray Vision with XRISM
Astrobites reports on the first observations of an active galactic nucleus by the X-ray Imaging and Spectroscopy Mission.
Hiding in Plain Sight: Betelgeuse’s Binary Buddy
Astrobites reports on two research articles that find evidence for one of the most well-studied stars in the night sky having a binary companion.
Exploring the Slower Side of Neutron-Star Bow Shocks
Astrobites reports on three neutron-star bow shocks photographed in unprecedented detail, revealing new insights into the hidden physics behind these cosmic collisions.
Giant Impacts Go Boom (Machine Learning Edition)
Astrobites reports on how machine learning can help researchers simulate the phase of planet formation in which planetary embryos interact, collide, and combine to form the planets we know and love.
New Species of Dwarf Galaxy in the Galaxy Cluster Ecosystem?
Astrobites reports on the potential discovery of a dark-matter-free dwarf galaxy hiding in the tentacle of a jellyfish galaxy.
The Galactic Golden Child Cassiopeia A Through the Lens of JWST
Astrobites reports on JWST observations that get up close and personal with the famous supernova remnant Cassiopeia A.
Testing Cosmology with the Dark Energy Survey Five-Year Supernova Dataset
Astrobites reports on tests of cosmological models using measurements of nearly 2,000 supernovae from the Dark Energy Survey and other sources.
Star Alignment and a Planet’s Origin: The Case of HIP 65426
Astrobites reports on an analysis of the orbital architecture of JWST’s first directly imaged exoplanet using time-series photometry data from the Transiting Exoplanet Survey Satellite.