Billions of years ago, a day on Earth did not last 24 hours. New research suggests that for about one billion years, each day stayed fixed at roughly 19 hours because of a balance between the oceans, the atmosphere, and the pull of the…
Billions of years ago, a day on Earth did not last 24 hours. New research suggests that for about one billion years, each day stayed fixed at roughly 19 hours because of a balance between the oceans, the atmosphere, and the pull of the…