Tag Archives: daylength

We learned in class that the earth’s day is always getting longer: that is, the attraction of the moon’s gravity pulls angular momentum from the earth, slowing down its rotation. On the flip side, the earth’s day used to be much shorter. Evidence from ancient corals indicate that the year was once 385 days long, meaning that … Continue reading Circadian Rhythms and the Length of the Day → Continue reading →

We learned in class that the earth’s day is always getting longer: that is, the attraction of the moon’s gravity pulls angular momentum from the earth, slowing down its rotation. On the flip side, the earth’s day used to be much shorter. Evidence from ancient corals indicate that the year was once 385 days long, meaning that … Continue reading Circadian Rhythms and the Length of the Day → Continue reading →