1974 · 23 citations · 0 references
Natural SciencesAstronomyPhysicsAstrophysicsAtmospheric ScienceOptical AstronomyAtmospheric OpticsInterstellar DustInterstellar Dust EmissionSolar AtmosphereSolar ChromosphereSolar CoronaDust Absorption FeaturesSpectral Line ObservationsThermal Dust EmissionThermal Emission SpectraThermal Emission Spectroscopy