Obs. : 2023-11-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.858e+08
Venus      8.423e+08
Earth      9.974e+08
Mars       8.470e+08
Jupiter    9.974e+08
Saturn     9.412e+08
Uranus     1.005e+09
Neptune    9.573e+08
Pluto      9.069e+08