Obs. : 2009-01-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.522e+11
Venus      3.508e+11
Earth      3.476e+11
Mars       3.522e+11
Jupiter    3.522e+11
Saturn     3.422e+11
Uranus     3.514e+11
Neptune    3.543e+11
Pluto      3.426e+11