A what now?

Yes that’s right, I’m going to get slightly academic.. good luck! So yesterday was the first day of Autumn, woow! But how do they work all that out? Well the Equinox… bringing us back to the question of what the hell is an Equinox?! Well let me tell you.

So it’s all to do with the sun and the equator. Basically, when the sun shines at the Earth’s equator directly, the length of day and night becomes almost equal. (What?!) AKA – it’s almost as dark throughout the 24 as much as it is light, like 12 hours of each (almost).

This happens twice a year in September (Autumnal Equinox) and in March (Vernal Equinox). To add to this, the seasons are opposite on either side of the Equator, meaning that the September Equinox happens in the Northern Hemisphere and the March Equinox in the Southern Hemisphere. 

The image above shows us more to help explain things further, as you can see the Earth is on an axis, at about 23.4%. The red dotted line is the ecliptic – AKA the imaginary path created by the Earth’s journey around the Sun. Normally, either one of the Northern or Southern Hemisphere tilts towards the Sun slightly, however, at the times of both of these Equinoxes the Earth’s tilted axes is perpendicular to the Sun’s rays

So there you go, a little but of science and education for you! If you want more information, follow the links below and get learning.

Thanks for reading and enjoy your Autumn!


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