Obs. : 2024-08-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.102e+09
Venus      1.062e+09
Earth      9.871e+08
Mars       1.046e+09
Jupiter    1.046e+09
Saturn     9.871e+08
Uranus     1.006e+09
Neptune    9.846e+08
Pluto      9.931e+08