Obs. : 2014-08-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.198e+11
Venus      3.320e+11
Earth      4.072e+11
Mars       3.539e+11
Jupiter    3.198e+11
Saturn     3.594e+11
Uranus     3.900e+11
Neptune    4.074e+11
Pluto      3.975e+11