Obs. : 2026-01-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.117e+08
Venus      8.290e+08
Earth      7.407e+08
Mars       8.290e+08
Jupiter    7.478e+08
Saturn     8.477e+08
Uranus     8.154e+08
Neptune    8.477e+08
Pluto      8.428e+08