Obs. : 2013-02-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.260e+11
Venus      4.332e+11
Earth      4.027e+11
Mars       4.313e+11
Jupiter    3.983e+11
Saturn     4.028e+11
Uranus     4.176e+11
Neptune    4.332e+11
Pluto      4.062e+11