Obs. : 2011-03-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.026e+11
Venus      4.315e+11
Earth      4.088e+11
Mars       4.205e+11
Jupiter    3.916e+11
Saturn     4.182e+11
Uranus     4.026e+11
Neptune    4.269e+11
Pluto      4.205e+11