Obs. : 2022-05-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.079e+08
Venus      8.706e+08
Earth      7.784e+08
Mars       8.819e+08
Jupiter    8.819e+08
Saturn     8.526e+08
Uranus     8.267e+08
Neptune    8.819e+08
Pluto      8.197e+08