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Dusty Galaxies

All articles tagged with #dusty galaxies

astronomy9 days ago•52 min saved

Early Universe’s Metal-Rich Dusty Galaxies Unearthed by JWST and ALMA

Astronomers using the James Webb Space Telescope (JWST) and the Atacama Large Millimeter/submillimeter Array (ALMA) have identified 70 dusty, star-forming galaxies at the edge of the observable universe, seen less than 1 billion years after the Big Bang. From an initial set of around 400 bright galaxies, JWST follow-up confirmed these candidates as metal-rich, suggesting that heavy-element production and star formation began earlier than current models predict, potentially reshaping our understanding of cosmic evolution and linking these galaxies to both ultrabright early systems and older, quiescent populations.

via Space|

#alma #astronomy #dusty-galaxies

science7 months ago•5 min saved

JWST Unveils Hidden Black Holes Devouring Stars in Dusty Galaxies

The James Webb Space Telescope has observed the first evidence of black holes in dusty galaxies quietly consuming stars through tidal disruption events, revealing that many such black holes are dormant and hidden by dust, and providing new insights into their feeding processes and environments.

via Yahoo Home|

#black-holes #dusty-galaxies #infrared-astronomy

science7 months ago•7 min saved

JWST Reveals Black Holes Consuming Stars in Dusty Galaxies

Astronomers using the James Webb Space Telescope have for the first time observed tidal disruption events in dusty galaxies, revealing dormant black holes devouring stars, with infrared signals confirming black hole accretion and highlighting JWST's potential to uncover hidden cosmic phenomena.

via Phys.org|

#black-holes #dusty-galaxies #infrared-signals

astronomy2 years ago•4 min saved

"Discovery: Infrared Reveals Massive Black Hole Feeding Frenzy"

An international team of researchers has discovered 18 previously hidden tidal disruption events (TDEs) where black holes tear apart stars, using infrared observations to penetrate dust-rich galaxies. These events, which were missed by optical and X-ray searches, provide new insights into TDE demographics and suggest that TDEs may be more common than previously thought. The findings also address the "missing energy" question and indicate that future surveys with infrared capabilities could reveal hundreds or even thousands of TDEs annually.

via Ars Technica|

#astronomy #black-holes #dusty-galaxies

astronomy2 years ago•2 min saved

Mysterious "Ghostly" Object Resurfaces in James Webb's Sight

NASA's James Webb Space Telescope has detected a faint and mysterious "ghostly" object, a star-forming galaxy called AzTECC71, which was previously undetectable by the Hubble Space Telescope. The observation suggests that massive star nurseries like AzTECC71 could be more common than previously thought, potentially changing our understanding of the early universe. The James Webb's sensitive infrared instruments allow it to see through dusty veils, revealing galaxies that have been hidden from us.

via Futurism|

#astronomy #dusty-galaxies #early-universe