Obs. : 2008-11-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.401e+11
Venus      3.565e+11
Earth      3.497e+11
Mars       3.487e+11
Jupiter    3.584e+11
Saturn     3.384e+11
Uranus     3.496e+11
Neptune    3.545e+11
Pluto      3.565e+11