Obs. : 2016-12-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.731e+11
Venus      3.764e+11
Earth      3.766e+11
Mars       3.765e+11
Jupiter    3.705e+11
Saturn     3.649e+11
Uranus     3.758e+11
Neptune    3.765e+11
Pluto      3.731e+11