Obs. : 2023-05-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.862e+08
Venus      8.692e+08
Earth      9.221e+08
Mars       8.583e+08
Jupiter    8.856e+08
Saturn     8.971e+08
Uranus     8.790e+08
Neptune    8.966e+08
Pluto      9.021e+08