Obs. : 2010-10-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.849e+11
Venus      3.982e+11
Earth      3.718e+11
Mars       4.010e+11
Jupiter    3.718e+11
Saturn     3.849e+11
Uranus     3.718e+11
Neptune    3.815e+11
Pluto      3.984e+11