Obs. : 2025-02-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.049e+09
Venus      9.657e+08
Earth      9.505e+08
Mars       1.009e+09
Jupiter    9.774e+08
Saturn     9.657e+08
Uranus     9.551e+08
Neptune    9.657e+08
Pluto      1.049e+09