Tag

Black Hole Star

All articles tagged with #black hole star

science4 hours ago•6 min saved

Webb's Deep Spectrum Bolsters Black Hole Star Model for Early-Universe Dots

Astronomers using the James Webb Space Telescope have obtained the deepest spectrum yet of the distant 'little red dot' GLIMPSE-17775, uncovering more than 40 spectral lines that collectively support the black hole star (BH*) scenario — a rapidly accreting black hole wrapped in a dense gas cocoon. The data, including an iron forest, helium signatures, and electron scattering, together with Hubble observations, explain features like the Balmer break and why many little red dots are X-ray faint, reinforcing a coherent picture of these objects in the early universe.

via NASA Science (.gov)|

#black-hole-star #glimpse-17775 #james-webb-space-telescope

science6 months ago•8 min saved

JWST Uncovers Mysterious Red Dot and New Class of Extreme Celestial Objects

Astronomers using the James Webb Space Telescope discovered numerous mysterious red dots in distant galaxies, with one particularly extreme object called 'The Cliff' challenging existing models. New theories propose these could be 'black hole stars'—active galactic nuclei enshrouded in dense gas—potentially explaining rapid early galaxy growth and black hole formation. Further observations are needed to confirm these groundbreaking ideas.

via ScienceDaily|

#black-hole-star #early-universe #galaxy-formation

science7 months ago•3 min saved

Astronomers puzzled by mysterious red dots in the sky

Astronomers using the James Webb Space Telescope have discovered hundreds of mysterious small red dots in the early universe, now thought to be a new type of celestial object—hybrids between black holes and stars, called 'black-hole-stars'—which could reshape understanding of cosmic evolution. These objects, exemplified by the 'Cliff,' show unique spectral features indicating they are energetic black holes enshrouded in dense gas, and may be the precursors to galaxy centers.

via Nature|

#astronomy #black-hole-star #cosmology

science8 months ago•4 min saved

Potential First Detection of Black Hole-Embedded Giant Stars and New Cosmic Insights

Scientists have proposed a new model suggesting that some mysterious red objects in the early universe, called The Cliff, may be supermassive black holes wrapped in dense gas clouds, resembling 'black hole stars,' which could explain unusual spectral features and challenge current understanding of galaxy formation. Further research is needed to confirm this theory.

via ScienceAlert|

#balmer-break #black-hole-star #black-holes

science8 months ago•5 min saved

James Webb Telescope Uncovers New and Ancient Black Hole Phenomena

Astronomers using the James Webb Space Telescope have potentially discovered a new class of cosmic object called a 'black hole star,' which could explain mysterious 'little red dots' observed in the early universe. These objects may be black holes feeding rapidly and surrounded by glowing gas, offering insights into black hole growth and galaxy evolution. Further observations are needed to confirm their nature.

via Live Science|

#black-hole-star #cosmic-objects #early-universe