Obs. : 2026-01-31
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.571e+08
Venus      8.571e+08
Earth      8.221e+08
Mars       8.358e+08
Jupiter    8.314e+08
Saturn     8.803e+08
Uranus     8.687e+08
Neptune    8.803e+08
Pluto      8.358e+08