Obs. : 2024-10-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.906e+08
Venus      9.151e+08
Earth      1.069e+09
Mars       1.044e+09
Jupiter    1.069e+09
Saturn     1.069e+09
Uranus     1.076e+09
Neptune    1.083e+09
Pluto      1.002e+09