Obs. : 2023-12-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.278e+08
Venus      9.321e+08
Earth      9.903e+08
Mars       9.278e+08
Jupiter    9.792e+08
Saturn     8.860e+08
Uranus     9.920e+08
Neptune    9.110e+08
Pluto      9.300e+08