Obs. : 2012-08-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.936e+11
Venus      4.148e+11
Earth      4.617e+11
Mars       4.386e+11
Jupiter    4.338e+11
Saturn     4.386e+11
Uranus     4.531e+11
Neptune    4.590e+11
Pluto      4.638e+11