Obs. : 2026-01-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.354e+08
Venus      8.354e+08
Earth      8.788e+08
Mars       8.539e+08
Jupiter    9.065e+08
Saturn     8.921e+08
Uranus     9.391e+08
Neptune    9.087e+08
Pluto      8.607e+08