Obs. : 2009-09-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.513e+11
Venus      3.411e+11
Earth      3.468e+11
Mars       3.463e+11
Jupiter    3.477e+11
Saturn     3.451e+11
Uranus     3.431e+11
Neptune    3.468e+11
Pluto      3.548e+11