Obs. : 2013-08-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.049e+11
Venus      3.976e+11
Earth      4.195e+11
Mars       4.296e+11
Jupiter    4.380e+11
Saturn     4.109e+11
Uranus     4.387e+11
Neptune    4.223e+11
Pluto      4.132e+11