Obs. : 2016-06-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.918e+11
Venus      3.947e+11
Earth      3.904e+11
Mars       3.916e+11
Jupiter    3.889e+11
Saturn     3.904e+11
Uranus     3.785e+11
Neptune    3.736e+11
Pluto      3.841e+11