Obs. : 2015-05-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.641e+11
Venus      4.804e+11
Earth      4.398e+11
Mars       4.641e+11
Jupiter    4.819e+11
Saturn     4.449e+11
Uranus     4.473e+11
Neptune    4.307e+11
Pluto      4.286e+11