Obs. : 2026-02-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.496e+08
Venus      8.496e+08
Earth      8.092e+08
Mars       8.367e+08
Jupiter    8.224e+08
Saturn     8.567e+08
Uranus     8.348e+08
Neptune    8.478e+08
Pluto      8.367e+08