Obs. : 2019-02-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.539e+11
Venus      3.572e+11
Earth      3.470e+11
Mars       3.433e+11
Jupiter    3.504e+11
Saturn     3.546e+11
Uranus     3.450e+11
Neptune    3.576e+11
Pluto      3.546e+11