Obs. : 2012-10-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.935e+11
Venus      4.770e+11
Earth      4.052e+11
Mars       3.783e+11
Jupiter    4.418e+11
Saturn     3.935e+11
Uranus     4.052e+11
Neptune    3.838e+11
Pluto      3.717e+11