Obs. : 2023-03-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.725e+08
Venus      8.873e+08
Earth      9.577e+08
Mars       8.961e+08
Jupiter    8.786e+08
Saturn     8.783e+08
Uranus     8.874e+08
Neptune    8.689e+08
Pluto      8.842e+08