Obs. : 2011-11-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.617e+11
Venus      4.617e+11
Earth      4.579e+11
Mars       4.386e+11
Jupiter    4.697e+11
Saturn     4.427e+11
Uranus     4.876e+11
Neptune    4.990e+11
Pluto      4.829e+11