Obs. : 2024-07-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.034e+09
Venus      1.037e+09
Earth      1.062e+09
Mars       1.001e+09
Jupiter    1.017e+09
Saturn     1.036e+09
Uranus     1.001e+09
Neptune    1.029e+09
Pluto      1.076e+09