Obs. : 2008-06-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.586e+11
Venus      3.615e+11
Earth      3.478e+11
Mars       3.675e+11
Jupiter    3.478e+11
Saturn     3.759e+11
Uranus     3.398e+11
Neptune    3.406e+11
Pluto      3.497e+11