Obs. : 2011-02-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.676e+11
Venus      3.630e+11
Earth      3.819e+11
Mars       3.676e+11
Jupiter    3.781e+11
Saturn     3.820e+11
Uranus     3.795e+11
Neptune    3.744e+11
Pluto      3.617e+11