James Webb Identifies MoM-BH*-1 as 100-Billion-Sun Black Hole Star 660 Million Years After Big Bang
Updated
Updated · spacedaily.com · Aug 17
James Webb Identifies MoM-BH*-1 as 100-Billion-Sun Black Hole Star 660 Million Years After Big Bang
3 articles · Updated · spacedaily.com · Aug 17
Summary
Webb pinned MoM-BH*-1 to redshift 7.7569 and found its light is best explained by a buried accreting black hole, not a conventional fusion-powered star.
A 4.5-hour NIRSpec spectrum showed an extreme Balmer break of 7.7 and broad hydrogen-beta emission near 3,036 km per second—signals ordinary stellar populations could not reproduce.
Nearly 1 million radiative-transfer models favored a dense, almost dust-free gas cocoon that absorbs short-wavelength radiation and reradiates it from a star-like envelope roughly 10 to 100 AU across.
That setup could explain Webb's broader "little red dots" puzzle by making young black holes look compact, red and X-ray faint while distorting standard black-hole mass estimates.
If confirmed by deeper spectra and time monitoring, MoM-BH*-1 may capture a rapid-growth phase that helped seed the billion-solar-mass black holes seen within the universe's first 700 million years.
Are these bizarre red objects truly gas-wrapped black holes, or an entirely unknown physics phenomenon defying our universe models?
Could the mysterious little red dots hiding in deep space actually be deceptive black holes masquerading as primordial stars?
If early black holes formed before their galaxies, what cosmic trigger sparked these impossible 100-billion-luminosity objects into existence?
J2245+3743: The Most Powerful and Distant Black Hole Flare in Cosmic History
Overview
Astronomers discovered the brightest and most powerful black hole flare ever recorded, J2245+3743, after a massive star—grown unusually large within a dense galactic disk—was torn apart by a supermassive black hole in a tidal disruption event. The resulting flare, tracked by sky surveys like ZTF and Catalina, released energy equivalent to 10^54 erg and outshone all previous black hole flares. As the light traveled 10 billion light-years to Earth, cosmological time dilation stretched the event, letting scientists observe it in slow motion. This discovery, confirmed by multi-wavelength data, has reshaped our understanding of black hole activity and galaxy evolution.