Obs. : 2008-06-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.448e+11
Venus      3.468e+11
Earth      3.407e+11
Mars       3.527e+11
Jupiter    3.414e+11
Saturn     3.527e+11
Uranus     3.416e+11
Neptune    3.398e+11
Pluto      3.465e+11