Obs. : 2011-05-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.970e+11
Venus      3.970e+11
Earth      4.069e+11
Mars       3.970e+11
Jupiter    3.963e+11
Saturn     4.337e+11
Uranus     3.898e+11
Neptune    3.869e+11
Pluto      4.069e+11