Obs. : 2009-06-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.579e+11
Venus      3.504e+11
Earth      3.560e+11
Mars       3.549e+11
Jupiter    3.463e+11
Saturn     3.760e+11
Uranus     3.455e+11
Neptune    3.463e+11
Pluto      3.577e+11