Obs. : 2023-03-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.832e+08
Venus      8.849e+08
Earth      8.315e+08
Mars       8.635e+08
Jupiter    8.820e+08
Saturn     8.853e+08
Uranus     8.817e+08
Neptune    8.845e+08
Pluto      8.827e+08