Obs. : 2009-06-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.578e+11
Venus      3.508e+11
Earth      3.536e+11
Mars       3.572e+11
Jupiter    3.475e+11
Saturn     3.662e+11
Uranus     3.473e+11
Neptune    3.475e+11
Pluto      3.558e+11