Obs. : 2024-07-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.069e+09
Venus      1.059e+09
Earth      1.058e+09
Mars       1.050e+09
Jupiter    1.038e+09
Saturn     1.054e+09
Uranus     1.050e+09
Neptune    1.062e+09
Pluto      1.073e+09