Obs. : 2013-05-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.218e+11
Venus      4.232e+11
Earth      4.673e+11
Mars       4.218e+11
Jupiter    4.238e+11
Saturn     4.766e+11
Uranus     4.299e+11
Neptune    4.340e+11
Pluto      4.584e+11