Obs. : 2016-10-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.092e+11
Venus      4.128e+11
Earth      3.893e+11
Mars       4.045e+11
Jupiter    4.047e+11
Saturn     4.098e+11
Uranus     3.935e+11
Neptune    3.979e+11
Pluto      4.045e+11