Obs. : 2009-03-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.469e+11
Venus      3.459e+11
Earth      3.448e+11
Mars       3.469e+11
Jupiter    3.469e+11
Saturn     3.439e+11
Uranus     3.541e+11
Neptune    3.469e+11
Pluto      3.349e+11