Obs. : 2008-12-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.523e+11
Venus      3.494e+11
Earth      3.444e+11
Mars       3.469e+11
Jupiter    3.536e+11
Saturn     3.442e+11
Uranus     3.431e+11
Neptune    3.494e+11
Pluto      3.523e+11