Santiago Vargas Domínguez, professor and research coordinator of the National Astronomical Observatory (OAN), said that the Earth will continue its normal rotation, therefore, the shadows of the objects appear “gradually” again.
“According to the most accepted theory, the inclination of 23.5 degrees is due to the impact of huge bodies that deviated the axis from its original position, as the one that gave rise to the formation of Moonfor example”, he emphasized to the National University News Agency.
Also read: NASA says the Moon would have water in some places
This phenomenon usually occurs in the Tropic of Cancer and Capricorn. For this reason, people who are below these tropics will not have any zenithal days throughout the year.
“In the Equator of the Earth, the zenithal days occur on the equinoxes, that is, around March 21 and September 21,” he explained. Therefore, for those people who cannot observe it due to the weather, they will have another possibility in the future.
