Solstices et équinoxes : durée du jour et de la nuit

June 20, 2020, is the Summer Solstice, the longest day of the year. But what exactly is a solstice? And why does the length of the day vary? Feel free to leave a comment and share the results of your experiment on Facebook:   / pr.louphoque   Follow me on Twitter: @EugeneLouphoque Support me on Tipeee: https://fr.tipeee.com/pr-louphoque