Obs. : 2023-03-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.895e+08
Venus      9.081e+08
Earth      9.731e+08
Mars       9.154e+08
Jupiter    8.985e+08
Saturn     8.883e+08
Uranus     9.069e+08
Neptune    8.892e+08
Pluto      8.941e+08