Obs. : 2008-10-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.486e+11
Venus      3.633e+11
Earth      3.467e+11
Mars       3.576e+11
Jupiter    3.613e+11
Saturn     3.467e+11
Uranus     3.479e+11
Neptune    3.515e+11
Pluto      3.633e+11