Obs. : 2023-03-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.982e+08
Venus      9.250e+08
Earth      9.413e+08
Mars       9.373e+08
Jupiter    9.091e+08
Saturn     8.918e+08
Uranus     9.260e+08
Neptune    8.957e+08
Pluto      8.680e+08