Obs. : 2009-05-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.615e+11
Venus      3.597e+11
Earth      3.513e+11
Mars       3.612e+11
Jupiter    3.512e+11
Saturn     3.596e+11
Uranus     3.553e+11
Neptune    3.512e+11
Pluto      3.513e+11