Obs. : 2013-09-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.894e+11
Venus      3.895e+11
Earth      3.838e+11
Mars       3.745e+11
Jupiter    3.743e+11
Saturn     3.864e+11
Uranus     3.805e+11
Neptune    3.814e+11
Pluto      3.793e+11