Obs. : 2012-11-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.985e+11
Venus      3.985e+11
Earth      3.915e+11
Mars       3.735e+11
Jupiter    3.908e+11
Saturn     3.985e+11
Uranus     3.574e+11
Neptune    3.551e+11
Pluto      3.735e+11