Obs. : 2009-03-31
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.548e+11
Venus      3.469e+11
Earth      3.482e+11
Mars       3.459e+11
Jupiter    3.377e+11
Saturn     3.482e+11
Uranus     3.459e+11
Neptune    3.377e+11
Pluto      3.355e+11