Obs. : 2010-09-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.740e+11
Venus      3.835e+11
Earth      3.866e+11
Mars       3.835e+11
Jupiter    3.862e+11
Saturn     3.748e+11
Uranus     3.862e+11
Neptune    3.861e+11
Pluto      3.945e+11