Obs. : 2010-11-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.979e+11
Venus      3.944e+11
Earth      3.718e+11
Mars       3.961e+11
Jupiter    3.847e+11
Saturn     3.819e+11
Uranus     3.847e+11
Neptune    3.902e+11
Pluto      3.925e+11