Obs. : 2011-01-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.813e+11
Venus      3.746e+11
Earth      3.844e+11
Mars       3.839e+11
Jupiter    3.805e+11
Saturn     3.694e+11
Uranus     3.805e+11
Neptune    3.808e+11
Pluto      3.819e+11