They point to the fact that precession (wobble) in the Earth's orbit causes changes in the timing of perihelion (closest Earth-Sun approach) and our planet's rotational tilt.
(They; point; to the fact that precession (wobble) in the Earth's orbit causes changes in the timing of perihelion (closest Earth-Sun approach) and our planet's rotational tilt) (precession (wobble) in the Earth's orbit; causes; changes in the timing of perihelion (closest Earth-Sun approach) and our planet's rotational tilt)
They precession (wobble) in the Earth's orbit
point causes
to the fact that precession (wobble) in the Earth's orbit causes changes in the timing of perihelion (closest Earth-Sun approach) and our planet's rotational tilt
changes in the timing of perihelion (closest Earth-Sun approach) and our planet's rotational tilt