Obs. : 2009-06-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.555e+11
Venus      3.494e+11
Earth      3.534e+11
Mars       3.554e+11
Jupiter    3.489e+11
Saturn     3.627e+11
Uranus     3.482e+11
Neptune    3.489e+11
Pluto      3.558e+11