Early galaxies and supermassive black holes discovered by the James webb space telescope

Observations by the James Webb Space Telescope (JWST) have led to a series of groundbreaking discoveries that challenge our current understanding of early galaxy formation. A large number of galaxies have been surprisingly identified during the epoch of cosmic dawn, the redshift of z ∼ 11 − 14 , 13....

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Bibliographic Details
Published inAstrophysics and space science Vol. 370; no. 8; p. 85
Main Author Harikane, Yuichi
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Netherlands 01.08.2025
Springer Nature B.V
Subjects
Active galactic nuclei
Astrobiology
Astronomers
Astronomy
Astrophysics and Astroparticles
Black holes
Candidates
Cosmology
Galactic evolution
Galaxies
Hydrogen
James Webb Space Telescope
Observations and Techniques
Physics
Physics and Astronomy
Red shift
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
Space telescopes
Spectrum analysis
Star & galaxy formation
Stars & galaxies
Supermassive black holes
Universe
Galaxy evolution
Galaxy formation
High-redshift galaxies
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Summary:Observations by the James Webb Space Telescope (JWST) have led to a series of groundbreaking discoveries that challenge our current understanding of early galaxy formation. A large number of galaxies have been surprisingly identified during the epoch of cosmic dawn, the redshift of z ∼ 11 − 14 , 13.4 to 13.5 billion years ago, far exceeding theoretical predictions. Additionally, many faint AGNs hosting supermassive black holes have been discovered at z > 4 . What was happening in the early universe? This article provides an overview of these latest findings.
Bibliography:ObjectType-Article-1
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ISSN:0004-640X
1572-946X
DOI:10.1007/s10509-025-04467-y