Obs. : 2011-12-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.868e+11
Venus      4.866e+11
Earth      5.006e+11
Mars       4.780e+11
Jupiter    5.153e+11
Saturn     4.809e+11
Uranus     5.091e+11
Neptune    5.037e+11
Pluto      4.866e+11