Obs. : 2014-08-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.993e+11
Venus      3.937e+11
Earth      3.468e+11
Mars       3.570e+11
Jupiter    3.937e+11
Saturn     3.570e+11
Uranus     3.469e+11
Neptune    3.428e+11
Pluto      3.473e+11