AccessMyLibrary provides FREE access to over 30 million articles from top publications available through your library.
Create a link to this page
Copy and paste this link tag into your Web page or blog:
(From The Times of India)
Today is the September or Autumnal Equinox. What's special about the day is that all around the globe, the length of day and night will be the same. The day is also significant for Astronomy enthusiasts because today, the Sun rises exactly in the East, and sets exactly in the West.
On the Autumnal Equinox, the sun crosses the Equator from the Northern to the Southern Hemisphere and the days begin getting shorter than nights in the Northern Hemisphere. The Autumnal Equinox has its counterpart in the Vernal or Spring Equinox, which is on March 21.
Starting from the Summer Solstice (June 21), when the Sun is at its highest path through the sky and the day is the longest, the Sun follows a lower and lower path through the sky each day until it is there for exactly 12 hours. This point in the Sun's path occurs on September 23 and is called the Autumnal Equinox. Continuing to follow a lower and lower path through the sky (with the days getting shorter and shorter), the Sun reaches a point (called the Winter Solstice, occurring on December 21/22), beyond which it can't ...