Atmospheric Modelling Astrophysics Stellar Atmosphere Atmospheric Modelling Questions Do stars have their own atmosphere? What are stellar atmospheres composed of? What are the regions of the stellar atmosphere? What are the layers of a star's atmosphere? Do all stars have atmospheres? The radius of the sun is 0.7 million km. What percentage of the radius is taken up by the chromosphere? What is the photosphere? What part of the sun is visible during an eclipse? Solar wind is associated with what part of the sun? Do Red Giants have Coronas? What is a star's corona? Why is the corona of the sun rarely visible? Stellar Atmosphere View all chapters The Grey Atmosphere Line Opacities and Broadening Equivalent Width and Formation of Atomic Lines Atmospheric Modelling Prev