Obs. : 2009-11-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.522e+11
Venus      3.490e+11
Earth      3.662e+11
Mars       3.562e+11
Jupiter    3.589e+11
Saturn     3.451e+11
Uranus     3.639e+11
Neptune    3.589e+11
Pluto      3.560e+11