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JWST and Dark Energy Camera Data Revisit the Bullet Cluster's Mass Mystery

Researchers led by Boseong Young Cho (Yonsei University) used new data from JWST and the Dark Energy Camera to revisit the Bullet Cluster — a galaxy cluster long considered key evidence for dark matter. They aimed to resolve a two-decade-old discrepancy in measurements of the mer

Newssciencenews

AAS Nova·2d ago·2 min read

TESS Data Used to Create Largest-Ever Catalog of Stellar Rotation Periods for Over a Million Stars

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AAS Nova7d ago

JWST's Little Red Dots: New Research Explores Whether They Are Young Globular Clusters or Objects with Blue Companions

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AAS Nova8d ago

Free-Floating Neptunes May Not Be So Alone: Study Reveals Complex Planetary Family Histories

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AAS Nova12d ago

JWST Detects New Spectral Signatures of Buckyballs in Planetary Nebula Tc 1

Researchers using the James Webb Space Telescope (JWST) to study the planetary nebula Tc 1 have discovered new spectral features from fullerenes (buckyballs) composed of 60 carbon atoms. Fullerenes are the largest molecules definitively detected in space. This serendipitous findi

Newsscienceastronomyspace exploration

AAS Nova·14d ago·5 min read

Spiral-Shaped Molecular Cloud Discovered 5,400 Light-Years Away in the Milky Way

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AAS Nova16d ago

First Old, Low-Mass Hypervelocity Star Discovered Ejected from Milky Way's Center

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AAS Nova28d ago

Researchers Propose White Dwarf–Black Hole Interactions to Explain Record-Breaking Gamma-Ray Burst GRB 250702B

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AAS Nova29d ago

Scientists Use Mars Orbiter to Observe Third Interstellar Object 3I/ATLAS

Astronomers observed a third interstellar object (3I/ATLAS) passing through our solar system. Since Earth was poorly positioned to view the flyby, scientists repurposed a spacecraft that was mapping Mars to get a much better view of the object as it passed nearby.

Newssciencenews

AAS Nova·1mo ago·5 min read

How Astronomers Can Identify Stars That Have Consumed Their Planets

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AAS Nova1mo ago

JWST Reveals Massive Young Star Clusters Hidden in the Antennae Galaxies

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AAS Nova1mo ago

Six New Millisecond Pulsars Discovered Using FAST Telescope Data Stacking

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AAS Nova1mo ago

Study Suggests Most Black Hole Mergers Occur in Triple Star Systems

Recent research suggests that most stellar-mass black hole mergers occur in triple systems, where a close inner binary black hole pair is orbited by a more distant third companion. With hundreds of black hole merger signals now detected by LIGO, Virgo, and KAGRA gravitational wav

Newseducationscienceastrophysics

AAS Nova·1mo ago·5 min read