The stellar atmosphere is the outer region of the volume of a star, lying above the stellar core, radiation zone and convection zone. == Overview == The stellar atmosphere is divided into several regions of distinct character: The photosphere, which is the atmosphere's lowest and coolest layer, is normally its only visible part.
The stellar atmosphere is the outer region of the volume of a star, lying above the stellar core, radiation zone and convection zone. == Overview == The stellar atmosphere is divided into several regions of distinct character: The photosphere, which is the atmosphere's lowest and coolest layer, is normally its only visible part.
Source: Wikipedia "Stellar atmosphere" · CC BY-SA 4.0
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