Obs. : 2010-09-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.673e+11
Venus      3.773e+11
Earth      3.721e+11
Mars       3.773e+11
Jupiter    3.671e+11
Saturn     3.774e+11
Uranus     3.671e+11
Neptune    3.721e+11
Pluto      3.783e+11