Obs. : 2009-12-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.759e+11
Venus      3.743e+11
Earth      3.524e+11
Mars       3.513e+11
Jupiter    3.642e+11
Saturn     3.511e+11
Uranus     3.591e+11
Neptune    3.642e+11
Pluto      3.743e+11