"Depending on where you are on Earth, you'll find more influence from precession or obliquity," he said. —Earth’s days once got 2 hours longer — and that may have triggered one of the ...

Notably, a 1976 study found geological evidence showing that two of Earth's parameters — obliquity and precession, or changes ...

Earth's history is a roller-coaster of climate fluctuations, of relative warmth giving way to frozen periods of glaciation before rising up again to the more temperate climes we experience today.

Obliquity (40,000-year cycle): The tilt of Earth’s axis changes between 22.1° and 24.5°, affecting how much sunlight reaches different latitudes. ・Precession (21,000-year cycle): Earth ...

The main climatic effect of precession is to shift the season when the Earth has its closest pass to the Sun (perihelion) — the so-called precession of the equinoxes. Today, perihelion occurs in ...