Obs. : 2010-07-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.815e+11
Venus      3.821e+11
Earth      3.847e+11
Mars       3.870e+11
Jupiter    3.785e+11
Saturn     3.899e+11
Uranus     3.785e+11
Neptune    3.802e+11
Pluto      3.881e+11