Obs. : 2011-03-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.763e+11
Venus      3.950e+11
Earth      4.131e+11
Mars       3.801e+11
Jupiter    3.797e+11
Saturn     4.132e+11
Uranus     3.763e+11
Neptune    3.862e+11
Pluto      3.982e+11