11. The temperature of its surface ( photosphere ) is approximately 4300 kelvins. 12. The light coming from the sun is thermal radiation from the photosphere . 13. Have you looked at photosphere and chromosphere and solar corona? 14. Isolated from the surrounding photosphere a sunspot would be brighter than the Moon. 15. Other " surface features " on the photosphere are solar flares and sunspots. 16. Beyond the photosphere lies a nebulous, high temperature region known as the corona. 17. The upwelling magnetic flux pushes through the photosphere , exposing the cooler plasma below. 18. However, a Ministry-approved educational disc states everything happens on the photosphere . 19. :You may find the article photosphere useful. 20. The emission lines are generated in the stellar wind and the photosphere is completely hidden.
