Obs. : 2025-01-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.131e+08
Venus      8.973e+08
Earth      9.010e+08
Mars       8.902e+08
Jupiter    8.333e+08
Saturn     8.973e+08
Uranus     8.468e+08
Neptune    8.882e+08
Pluto      9.052e+08