Obs. : 2026-02-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.281e+08
Venus      8.281e+08
Earth      7.942e+08
Mars       8.251e+08
Jupiter    7.957e+08
Saturn     8.109e+08
Uranus     7.994e+08
Neptune    8.109e+08
Pluto      8.251e+08