Obs. : 2011-01-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.871e+11
Venus      3.717e+11
Earth      3.819e+11
Mars       4.022e+11
Jupiter    3.878e+11
Saturn     3.713e+11
Uranus     3.878e+11
Neptune    4.065e+11
Pluto      3.805e+11