Obs. : 2008-12-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.503e+11
Venus      3.485e+11
Earth      3.504e+11
Mars       3.479e+11
Jupiter    3.503e+11
Saturn     3.437e+11
Uranus     3.475e+11
Neptune    3.494e+11
Pluto      3.479e+11