Obs. : 2023-07-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.487e+08
Venus      9.555e+08
Earth      9.371e+08
Mars       9.555e+08
Jupiter    9.325e+08
Saturn     9.456e+08
Uranus     9.325e+08
Neptune    9.549e+08
Pluto      9.348e+08