Obs. : 2011-11-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.734e+11
Venus      4.734e+11
Earth      4.396e+11
Mars       4.431e+11
Jupiter    4.145e+11
Saturn     4.415e+11
Uranus     4.229e+11
Neptune    4.471e+11
Pluto      4.740e+11