Obs. : 2010-01-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.580e+11
Venus      3.580e+11
Earth      3.546e+11
Mars       3.526e+11
Jupiter    3.795e+11
Saturn     3.459e+11
Uranus     3.758e+11
Neptune    3.795e+11
Pluto      3.580e+11