About once every year and a half, the Sun, Earth, and Moon all fall on a line pointed to the Sun, the Moon briefly caught between the Sun and the Earth.
(the Sun, Earth, and Moon; fall; on a line; T:About once every year and a half) (a line pointed to the Sun, the Moon; caught; between the Sun and the Earth; T:briefly)
the Sun, Earth, and Moon a line pointed to the Sun, the Moon
fall caught
on a line T:About once every year and a half
between the Sun and the Earth T:briefly