Obs. : 2010-09-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.864e+11
Venus      3.847e+11
Earth      3.804e+11
Mars       3.847e+11
Jupiter    3.825e+11
Saturn     3.854e+11
Uranus     3.825e+11
Neptune    3.761e+11
Pluto      3.811e+11