Obs. : 2013-12-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.237e+11
Venus      3.895e+11
Earth      3.981e+11
Mars       4.255e+11
Jupiter    3.986e+11
Saturn     4.279e+11
Uranus     3.867e+11
Neptune    3.784e+11
Pluto      4.044e+11