Obs. : 2016-09-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.134e+11
Venus      4.112e+11
Earth      4.034e+11
Mars       4.240e+11
Jupiter    4.134e+11
Saturn     4.205e+11
Uranus     4.037e+11
Neptune    4.185e+11
Pluto      4.251e+11