Obs. : 2016-10-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.876e+11
Venus      3.803e+11
Earth      3.920e+11
Mars       3.801e+11
Jupiter    3.867e+11
Saturn     3.811e+11
Uranus     3.872e+11
Neptune    3.753e+11
Pluto      3.767e+11