Obs. : 2011-12-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.752e+11
Venus      4.745e+11
Earth      5.020e+11
Mars       4.764e+11
Jupiter    4.946e+11
Saturn     4.636e+11
Uranus     4.829e+11
Neptune    4.751e+11
Pluto      4.745e+11