Obs. : 2013-10-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.221e+11
Venus      4.252e+11
Earth      4.221e+11
Mars       4.158e+11
Jupiter    4.276e+11
Saturn     4.221e+11
Uranus     4.082e+11
Neptune    4.059e+11
Pluto      4.237e+11