Obs. : 2016-07-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.098e+11
Venus      4.098e+11
Earth      4.321e+11
Mars       4.188e+11
Jupiter    4.060e+11
Saturn     4.232e+11
Uranus     4.422e+11
Neptune    4.457e+11
Pluto      4.356e+11