Obs. : 2016-07-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.855e+11
Venus      3.855e+11
Earth      4.258e+11
Mars       4.327e+11
Jupiter    4.009e+11
Saturn     4.285e+11
Uranus     3.948e+11
Neptune    3.990e+11
Pluto      4.205e+11