Obs. : 2019-08-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.403e+11
Venus      3.362e+11
Earth      3.499e+11
Mars       3.362e+11
Jupiter    3.476e+11
Saturn     3.452e+11
Uranus     3.591e+11
Neptune    3.499e+11
Pluto      3.504e+11