Obs. : 2024-04-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.894e+08
Venus      8.578e+08
Earth      8.474e+08
Mars       8.253e+08
Jupiter    8.727e+08
Saturn     8.253e+08
Uranus     8.727e+08
Neptune    8.578e+08
Pluto      7.659e+08