Obs. : 2012-01-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.427e+11
Venus      4.356e+11
Earth      4.346e+11
Mars       4.212e+11
Jupiter    4.334e+11
Saturn     4.242e+11
Uranus     4.321e+11
Neptune    4.356e+11
Pluto      4.405e+11