Obs. : 2012-07-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.069e+11
Venus      4.229e+11
Earth      4.573e+11
Mars       4.648e+11
Jupiter    4.229e+11
Saturn     4.753e+11
Uranus     4.341e+11
Neptune    4.359e+11
Pluto      4.573e+11