Chromosphere · Sun's Red Middle Layer
unseel.com · 2 000-10 000 km · Hα light · spicules
T range 4 000 – 25 000 K
Height 2 000 – 10 000 km
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Photosphere (5778 K)
Chromosphere (Hα)
Corona
Spicules
Unseel.com · Chromosphere