Featured Image: Mini-Disks in a Black-Hole Binary
New simulations show how gas is passed back and forth between the accretion disks surrounding the two black holes in a binary system.
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Featured Image: Experimental Simulation of Melting Meteoroids
Ever wonder what experimental astronomy looks like? Some days, it looks like this piece of agrillite in a wind tunnel.
Featured Image: Simulating Planetary Gaps
Can we use observations of gaps in protoplanetary disks to estimate the mass of planets orbiting within them?
Featured Image: Structures in the Interstellar Medium
A new survey has provided a high-resolution look at some of the structures in the diffuse hydrogen gas of our galaxy.
Featured Image: A Search for Stellar Bow Shock Nebulae
More than 700 candidate stellar bow shock nebulae — signs of runaway stars — have been discovered in the Milky Way.
Featured Image: The Birth of Spiral Arms
How are the arms of spiral galaxies like the Milky Way created? The gravitational pull of a galaxy cluster might play a role.
Featured Image: A Pulsar Is Obscured by a Solar Explosion
What can we learn about a coronal mass ejection as it passes between us and a distant pulsar?
Featured Image: A Comet’s Coma
These images of comet 67P mark the first time we’ve been able to study the inner coma of a comet at this level of detail.
Featured Image: The Simulated Collapse of a Core
This stunning snapshot is from a complex computer simulation of a core-collapse supernova.
Featured Image: A Looping Stellar Stream
This negative image of NGC 5907 reveals the faint stellar stream that encircles the galaxy, forming loops around it — a fossil of a recent merger.