Obs. : 2024-07-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.056e+09
Venus      1.039e+09
Earth      1.046e+09
Mars       1.027e+09
Jupiter    1.027e+09
Saturn     1.053e+09
Uranus     1.041e+09
Neptune    1.056e+09
Pluto      1.055e+09