Obs. : 2013-06-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.261e+11
Venus      4.261e+11
Earth      4.270e+11
Mars       4.380e+11
Jupiter    4.325e+11
Saturn     4.350e+11
Uranus     4.509e+11
Neptune    4.371e+11
Pluto      4.270e+11