Obs. : 2013-12-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.895e+11
Venus      3.953e+11
Earth      4.280e+11
Mars       4.044e+11
Jupiter    4.258e+11
Saturn     3.865e+11
Uranus     3.998e+11
Neptune    3.929e+11
Pluto      3.950e+11