![]() Galileo was among the first to observe that the Sun was marked by small dark imperfections. Welcome to your primer on Solar Cycle 25.įor as long as scientists have had the ability to (safely) observe the Sun, they’ve noticed that our star is not the perfect glowing orb it at first appears to be. But what exactly does that mean? Does the Sun’s changing face make much difference to the average person’s daily life? History shows that it can, so it pays to know what we’re in store for over the next couple of decades. So it was with some fanfare that they recently announced that the sun had transitioned into Solar Cycle 25. Our star, too, follows this cyclical model, and goes through observable, periodic changes that are of keen interest to solar scientists. And while that’s true, nature has a way of interpolating circular patterns onto that linear model - day follows night, the seasons progress through the year, and generations are born, live, and die after creating the next generation to do experience the same cycles in the future. Most of us perceive time as an arrow, a one-way trip into the future. ![]()
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