Obs. : 2023-02-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.849e+08
Venus      8.439e+08
Earth      8.785e+08
Mars       8.266e+08
Jupiter    8.439e+08
Saturn     8.849e+08
Uranus     8.247e+08
Neptune    8.719e+08
Pluto      9.123e+08