Obs. : 2026-10-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.394e+08
Venus      7.572e+08
Earth      6.708e+08
Mars       7.451e+08
Jupiter    7.568e+08
Saturn     6.708e+08
Uranus     6.991e+08
Neptune    6.708e+08
Pluto      7.049e+08