Obs. : 2014-07-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.330e+11
Venus      4.330e+11
Earth      3.457e+11
Mars       3.917e+11
Jupiter    4.615e+11
Saturn     3.654e+11
Uranus     3.872e+11
Neptune    3.540e+11
Pluto      3.457e+11