Light Analysis Spectral Analysis Light Wavelengths Data Analysis Infrared Spectroscopy Molecular Clouds Near-Infrared Observations Near-Infrared Spectroscopy Transmission Spectra Spectral Energy Distribution Ultraviolet Astronomy Infrared Observations Spectral Lines Comet Composition Light Emission Transmission Spectroscopy James Webb Space Telescope Spectral Emission NIRSpec Spectroscopy Visible Spectrum Cosmic Origins Spectrograph Integral Field Spectroscopy X-ray Spectroscopy
Spectra reveal light shaped by cold, dense gas that mimics stellar atmospheres.