Obs. : 2024-03-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.749e+08
Venus      9.741e+08
Earth      9.473e+08
Mars       9.749e+08
Jupiter    8.307e+08
Saturn     9.741e+08
Uranus     8.374e+08
Neptune    9.551e+08
Pluto      9.652e+08