Obs. : 2023-04-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.905e+08
Venus      8.886e+08
Earth      8.984e+08
Mars       8.797e+08
Jupiter    8.916e+08
Saturn     8.994e+08
Uranus     8.905e+08
Neptune    8.964e+08
Pluto      9.045e+08