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Illinois State University PHY 102 Final Exam Study Guide | 120 Questions with 100% Correct Answers | Verified | Latest Update 2024
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What is the speed of light? - Light can travel enormous distances under short periods of time. It is faster than any other phenomenon. It takes about 8 minutes for light to travel from the Sun to Earth. The speed of light in a vacuum is c=3x10^8 m/s. Why is light such an important tool for astro...
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