… the seasons. And they, in turn, are a consequence of another journey: our planet’s year-long loop around the sun. As it travels, it does so on a tilt of twenty-three and a half degrees, and it is this that creates our seasons. To understand how, keep your eye on the North Pole. For half the year, it is angled away from the sun, bringing darkness and winter. For the other half, it swings towards the sun, bringing longer days. It’s this annual cycle that drives the greatest movements of life on Earth. And in the northern hemisphere ... Read even more
