Photosphere · The Sun's Visible Surface
unseel.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
Unseel.com · Photosphere