Obs. : 2009-06-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.571e+11
Venus      3.482e+11
Earth      3.503e+11
Mars       3.482e+11
Jupiter    3.469e+11
Saturn     3.712e+11
Uranus     3.447e+11
Neptune    3.469e+11
Pluto      3.579e+11