January 06, 2025
Although appearing to the unaided eye as one point of light, Polaris (the North Star) is actually a triple star.
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How Do We Know How Far Away the Stars Are?
The closest star, Proxima Centauri, is 4.24 light-years away. A light-year is 9.44 trillion km, or 5.88 trillion miles. That is an incredibly large distance. Walking to Proxima Centauri would take 950 million years. If you turned it up and went as fast as Apollo 11 went to the Moon, it would still
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