![]() ![]() Here are 10 things you need to know about the first day of the astronomical spring season in the Northern Hemisphere.ġ. This year, the simultaneous seasons will occur on March 20, at 15:33 UTC (9:03 pm IST), according to NASA. Meanwhile, seasons are reversed in the Southern Hemisphere, where it will be autumn. March equinox is known as Spring equinox or the vernal equinox in the Northern Hemisphere. There are two equinoxes in a year, namely March and September equinoxes. The subsolar point on a planet is the point at which the Sun is perceived to be directly overhead, and where the Sun’s rays strike the planet exactly perpendicular to the surface. It is an event in which the planet’s subsolar point passes through its Earth’s equator. Each year, the meteorological season of spring begins on March 1 and ends on May 31.Įarth’s tilt on its axis and the ceaseless motion the planet has while orbiting the Sun result in the equinoxes and solstices.Īn equinox is one of the two times in the year when the Sun is exactly above the Earth’s equator, and day and night are of equal length. “Meteorological seasons” are based on seasonal temperature variations modified by fluctuations in the amount of solar radiation received by Earth’s surface over the course of a year. The tilt of Earth’s axis with respect to the Sun-Earth plane, and the planet’s position during its orbit around the Sun are responsible for the “astronomical” seasons. ![]() Earth has two types of seasons, namely meteorological and astronomical. New Delhi: This year, the March equinox, or the astronomical beginning of the spring season in the Northern Hemisphere, falls on March 20. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |