Obs. : 2026-05-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.637e+08
Venus      7.856e+08
Earth      8.289e+08
Mars       7.467e+08
Jupiter    7.997e+08
Saturn     7.368e+08
Uranus     7.503e+08
Neptune    7.368e+08
Pluto      7.669e+08