Context.Vibrationally excited emission from the SiO and H2O molecules probes the innermost circumstellar envelopes of oxygen-rich red giant and supergiant stars. VY CMa is the most prolific known emission source in these molecules.
No takes yet. Share an insight, caveat, or question.
Menten et al. (2006) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: