Obs. : 2010-12-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.924e+11
Venus      3.792e+11
Earth      3.856e+11
Mars       3.906e+11
Jupiter    3.883e+11
Saturn     3.749e+11
Uranus     3.883e+11
Neptune    3.905e+11
Pluto      3.924e+11