Obs. : 2010-01-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.586e+11
Venus      3.652e+11
Earth      3.728e+11
Mars       3.692e+11
Jupiter    3.699e+11
Saturn     3.524e+11
Uranus     3.720e+11
Neptune    3.699e+11
Pluto      3.537e+11