Obs. : 2024-01-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.859e+08
Venus      8.786e+08
Earth      8.361e+08
Mars       9.028e+08
Jupiter    8.345e+08
Saturn     9.026e+08
Uranus     8.190e+08
Neptune    8.951e+08
Pluto      9.130e+08