But every six months, the full moon lies close to Earth's shadow (or inside it), and it's during these "eclipse seasons" that solar and lunar eclipses can take place.
(the full moon; lies; close to Earth's shadow (or inside it) (it; 's; during these "eclipse seasons) (solar and lunar eclipses; can take; place)
the full moon it solar and lunar eclipses
lies 's can take
close to Earth's shadow (or inside it
during these "eclipse seasons
place