Science ❯ Astronomy ❯ Astrophysics
Comet Composition Spectral Analysis James Webb Space Telescope Elemental Composition Ultraviolet Observations Exoplanet Studies Spectral Energy Distribution Spectral Sensitivity Chemical Signatures Elemental Analysis Narrow-line Galaxies Cometary Composition Spectral Diversity Chemical Composition Emission Features Flash-Ionised Emission Features Broad-Line Emission Near-Infrared Echellette Spectrometer Light Analysis Radio Recombination Lines High-Resolution Spectroscopy Multi-Wavelength Observations Gas Dynamics JWST/NIRSpec Spectroscopy Surface Composition Multi-object Spectrograph C18O and C17O Lines Near-Infrared Spectroscopy Emission Lines Luminosity Ultraviolet Spectroscopy Near-Infrared Spectra Neural Networks Ultraviolet Spectra DESI DR1 Data Mid-Infrared Spectroscopy
New June 9 studies find a tight Hα-to-bolometric scaling that requires nearly filled broad-line regions to explain the extreme emission and points to rapid, obscured black‑hole growth.
