Obs. : 2008-06-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.478e+11
Venus      3.482e+11
Earth      3.424e+11
Mars       3.529e+11
Jupiter    3.441e+11
Saturn     3.529e+11
Uranus     3.423e+11
Neptune    3.414e+11
Pluto      3.488e+11