What's Happening To Polaris, The World's Most Famous Star

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Insane Curiosity

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Published on February 22, 2025 3:00:23 PM ● Video Link: https://www.youtube.com/watch?v=K5EZUwuJpXA

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Polaris (1980)

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Have you ever seen those stunning long-exposure photographs that capture the rotation of stars near the celestial north pole? At the heart of that swirling motion created by the celestial sphere’s movement lies the most famous of all stars, the North Star, or Polaris, as it has been known in Latin since the 18th century. Polaris is a mere 42 arcminutes away from the celestial north pole, which is almost one and a half times the diameter of the full moon. This might seem significant, but when compared to the vast expanse of the entire sky, it’s practically nothing. As a result, Polaris, unlike the stars further from the pole which trace increasingly larger arcs, appears nearly stationary even in long-exposure photographs. Stars very close to this imaginary point of rotation seem not to participate in the apparent rotation of the sky.

And it’s precisely because of this unique characteristic that Polaris has become the symbol of the cardinal point par excellence—the direction North. In our hemisphere, it has represented one of the earliest ways humans adapted to their natural environment: orientation.

But has it always been this way? Absolutely not, as we’re about to discover... But wait a moment... the current North Star isn’t just an icon of our sky; it’s also, and most importantly, a real astronomical object still full of mysteries.
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Credits: Ron Miller, Mark A. Garlick / MarkGarlick.com ,Elon Musk/SpaceX/ Flickr
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00:00 Intro
2:10 How to find Polaris in the sky
4:10 The Zenith
4:40 facts about Polaris
10:20 The Future of Polaris
12:20 The distance of Polaris with the Parallax method
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#insanecuriosity #polaris #northstar