Obs. : 2010-09-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.735e+11
Venus      3.843e+11
Earth      3.882e+11
Mars       3.843e+11
Jupiter    3.858e+11
Saturn     3.783e+11
Uranus     3.858e+11
Neptune    3.882e+11
Pluto      3.924e+11