Obs. : 2016-10-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.957e+11
Venus      3.849e+11
Earth      3.720e+11
Mars       3.888e+11
Jupiter    4.008e+11
Saturn     3.849e+11
Uranus     3.731e+11
Neptune    3.819e+11
Pluto      3.875e+11