Obs. : 2013-06-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.234e+11
Venus      4.234e+11
Earth      4.270e+11
Mars       4.346e+11
Jupiter    4.273e+11
Saturn     4.296e+11
Uranus     4.518e+11
Neptune    4.367e+11
Pluto      4.270e+11