Obs. : 2022-04-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.776e+08
Venus      8.401e+08
Earth      7.894e+08
Mars       8.401e+08
Jupiter    8.406e+08
Saturn     8.401e+08
Uranus     7.703e+08
Neptune    8.406e+08
Pluto      8.147e+08