Photosphere ·
The Sun's Visible Surface
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.com · T_eff = 5778 K · ~300 km thick · granulation · sunspots
T_eff
5778 K
Granule
~1.5 Mm
phase
—
Granule centre (hot upflow)
Granule lane (cool sink)
Sunspot umbra
Magnetic field lines
Outgoing radiation
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.com · Photosphere