Obs. : 2024-02-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.892e+08
Venus      8.772e+08
Earth      8.358e+08
Mars       8.772e+08
Jupiter    8.254e+08
Saturn     8.825e+08
Uranus     8.254e+08
Neptune    8.712e+08
Pluto      8.637e+08