How Long a Year May Last?

Abstract

Key words:  the Arctic, age-old acceleration of the Moon, the Hyperborea, solar and lunar eclipses, glacial period, mammoth, precession, tropical year.

Annotation:the author managed to reveal new insights about the Earth at the intersection of biology and astronomy allowing answering a number of questions that still belong to the category of puzzles and mysteriesin the Earth sciences: What are the causes of ice ages? Why did Hyperborean chose to stay the Arctic? What caused the "deluge"? Why did mammoths become extinct? etc.