1. Once a year on Earth
lasted 486 days, it was about 800 million years ago, before the birth of
ancient life in the era of large-scale glaciation of the Earth. Hundreds of
millions of years later, in the era of the dinosaurs, the year was reduced to
370 days. He is now, as you know, is 365 days. What is happening? The facts
that the Earth rotates more slowly, because it "slows down" lunar
gravity.
