Obs. : 2012-07-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.270e+11
Venus      4.253e+11
Earth      4.547e+11
Mars       4.926e+11
Jupiter    4.253e+11
Saturn     4.993e+11
Uranus     4.431e+11
Neptune    4.454e+11
Pluto      4.667e+11