Obs. : 2008-06-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.468e+11
Venus      3.457e+11
Earth      3.476e+11
Mars       3.489e+11
Jupiter    3.476e+11
Saturn     3.503e+11
Uranus     3.447e+11
Neptune    3.458e+11
Pluto      3.513e+11