Obs. : 2017-06-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.667e+11
Venus      3.683e+11
Earth      3.738e+11
Mars       3.614e+11
Jupiter    3.802e+11
Saturn     3.699e+11
Uranus     3.683e+11
Neptune    3.598e+11
Pluto      3.676e+11