photosphère

[1960] The Surfaces of Stars ; B. E. J. Pagel ; Quarterly Journal of the Royal Astronomical Society 1 (1960) p. 56 [lien]
[2012] The Sun's Global Photospheric and Coronal Magnetic Fields: Observations and Models ; Duncan Mackay ; Anthony Yeates ; Living Reviews in Solar Physics 9 (2012) p. 1 [lien]