Science ❯ Astronomy ❯ Astrophysics

Spectroscopy

Comet Composition Narrow-line Galaxies James Webb Space Telescope Neural Networks Spectral Analysis Surface Composition JWST/NIRSpec Spectroscopy Ultraviolet Observations Chemical Signatures Ultraviolet Spectra C18O and C17O Lines Broad-Line Emission Ultraviolet Spectroscopy Chemical Composition Cometary Composition Light Analysis Elemental Analysis Mid-Infrared Spectroscopy Spectral Diversity Elemental Composition Emission Features Near-Infrared Echellette Spectrometer Multi-object Spectrograph

New Spectrograph Reveals Mars-Mass Iron Bar in the Ring Nebula

Follow-up with WEAVE will test whether other elements align with the iron-only signal to distinguish planetary debris from stellar ejecta.

JWST Reveals Nine Distant ‘Platypus’ Galaxies With Star-Like Profiles and Galaxy-Like Spectra

Ancient White Dwarf Caught Accreting Debris From a Shattered Rocky World

Comet Lemmon Makes Closest Approach Oct. 20–21 With Prime Viewing Under New Moon

Hubble Spots White Dwarf Devouring Icy, Nitrogen-Rich Exo‑Pluto Fragment

New Spectra Show 3I/ATLAS Is a Carbon‑Chain–Depleted Interstellar Comet With Weak CN Emission