Obs. : 2024-10-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.740e+08
Venus      9.151e+08
Earth      1.086e+09
Mars       1.003e+09
Jupiter    1.042e+09
Saturn     1.086e+09
Uranus     1.052e+09
Neptune    1.082e+09
Pluto      1.038e+09