Obs. : 2013-08-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.003e+11
Venus      3.848e+11
Earth      3.991e+11
Mars       4.278e+11
Jupiter    4.261e+11
Saturn     3.972e+11
Uranus     3.913e+11
Neptune    3.944e+11
Pluto      4.017e+11