Obs. : 2016-02-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.399e+11
Venus      4.365e+11
Earth      4.612e+11
Mars       4.349e+11
Jupiter    4.538e+11
Saturn     4.331e+11
Uranus     4.576e+11
Neptune    4.532e+11
Pluto      4.399e+11