Latest Hertzsprung-Russell classifications Stories

Two of the World's Largest Interferometric Facilities Team-up to Study a Red Giant StarUsing ESO's VLTI on Cerro Paranal and the VLBA facility operated by NRAO, an international team of astronomers has made what is arguably the most detailed study of the environment of a pulsating red giant star. They performed, for the first time, a series of coordinated observations of three separate layers within the star's tenuous outer envelope: the molecular shell, the dust shell, and the maser shell,...