Obs. : 2022-05-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.063e+08
Venus      8.891e+08
Earth      7.933e+08
Mars       8.536e+08
Jupiter    8.774e+08
Saturn     8.188e+08
Uranus     8.479e+08
Neptune    8.774e+08
Pluto      7.995e+08