Obs. : 2025-01-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.253e+08
Venus      9.150e+08
Earth      9.240e+08
Mars       9.749e+08
Jupiter    1.019e+09
Saturn     9.018e+08
Uranus     1.009e+09
Neptune    9.150e+08
Pluto      9.253e+08