Obs. : 2026-03-31
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.582e+08
Venus      7.519e+08
Earth      8.338e+08
Mars       7.582e+08
Jupiter    7.738e+08
Saturn     7.567e+08
Uranus     7.528e+08
Neptune    7.567e+08
Pluto      7.648e+08