Obs. : 2012-01-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.593e+11
Venus      4.597e+11
Earth      4.616e+11
Mars       4.486e+11
Jupiter    4.468e+11
Saturn     4.391e+11
Uranus     4.425e+11
Neptune    4.533e+11
Pluto      4.642e+11