Obs. : 2026-05-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.895e+08
Venus      7.507e+08
Earth      7.293e+08
Mars       8.034e+08
Jupiter    7.264e+08
Saturn     8.131e+08
Uranus     7.551e+08
Neptune    8.131e+08
Pluto      7.738e+08