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.
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New Details Revealed in the “Green Monster”
What has poked holes in the filamentary green structure in front of Cassiopeia A? A new research article offers answers.
Monthly Roundup: Gravitational Wave Predictions and Comparisons
Gravitational waves from collapsars, mass-gap black holes, and local supermassive black holes are the subject of this Monthly Roundup.
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.
Featured Image: The Black Eye Galaxy
Easily recognized by the dense band of dust swirled around its center, the Black Eye Galaxy is the subject of a new study that investigates the connection between galaxy structure and supermassive black hole properties.
How Much of Dark Matter Is Made Up of Tiny Black Holes?
Is dark matter actually ancient black holes the size of planets? New research places a limit on how much of the universe’s most mysterious matter could be made up of tiny black holes.
Charting the Cosmic Shoreline: Which Planets Have Atmospheres?
New observations of the M-dwarf exoplanet Gliese 486b help astronomers map the location of the cosmic shoreline, which separates planets with atmospheres from those without.
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.
Celebrating 175 Years of The Astronomical Journal
The Astronomical Journal turns 175 this month — join us in celebrating the journal’s impact and looking back on its history.
Pointing to the Poles of Brown Dwarfs: Polar Vortex Possibilities
Often characterized as “failed stars,” brown dwarfs are cool, cloudy objects that are not fully understood. Could their poles be home to swirling winds that drive intriguing observational trends?
Old Telescope, New Tricks: Chasing Gravitational Waves Across the Sky
How can we track down colliding neutron stars as quickly as possible? New research shows that the nearly 20-year-old Swift Observatory might be our best bet.
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.