Obs. : 2022-05-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.227e+08
Venus      8.728e+08
Earth      7.682e+08
Mars       8.750e+08
Jupiter    8.750e+08
Saturn     8.349e+08
Uranus     8.480e+08
Neptune    8.750e+08
Pluto      7.987e+08