Obs. : 2008-12-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.574e+11
Venus      3.558e+11
Earth      3.480e+11
Mars       3.499e+11
Jupiter    3.576e+11
Saturn     3.424e+11
Uranus     3.464e+11
Neptune    3.558e+11
Pluto      3.574e+11