Obs. : 2026-03-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.881e+08
Venus      7.881e+08
Earth      8.218e+08
Mars       7.844e+08
Jupiter    7.859e+08
Saturn     7.849e+08
Uranus     7.801e+08
Neptune    7.849e+08
Pluto      7.713e+08