Obs. : 2024-12-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.863e+08
Venus      9.468e+08
Earth      1.017e+09
Mars       1.017e+09
Jupiter    1.052e+09
Saturn     9.481e+08
Uranus     1.062e+09
Neptune    9.607e+08
Pluto      9.707e+08