Obs. : 2008-12-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.524e+11
Venus      3.541e+11
Earth      3.444e+11
Mars       3.459e+11
Jupiter    3.524e+11
Saturn     3.386e+11
Uranus     3.496e+11
Neptune    3.541e+11
Pluto      3.459e+11