Obs. : 2024-10-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.060e+09
Venus      1.047e+09
Earth      8.919e+08
Mars       9.438e+08
Jupiter    9.238e+08
Saturn     9.004e+08
Uranus     9.189e+08
Neptune    8.919e+08
Pluto      9.713e+08