Obs. : 2023-05-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.007e+08
Venus      8.771e+08
Earth      8.973e+08
Mars       8.639e+08
Jupiter    9.007e+08
Saturn     9.172e+08
Uranus     8.993e+08
Neptune    9.237e+08
Pluto      9.134e+08