Obs. : 2015-11-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.625e+11
Venus      4.455e+11
Earth      4.212e+11
Mars       4.362e+11
Jupiter    4.198e+11
Saturn     4.625e+11
Uranus     4.374e+11
Neptune    4.441e+11
Pluto      4.587e+11