Obs. : 2016-09-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.027e+11
Venus      4.027e+11
Earth      4.033e+11
Mars       3.993e+11
Jupiter    4.027e+11
Saturn     3.979e+11
Uranus     4.156e+11
Neptune    3.999e+11
Pluto      3.988e+11