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How much longer is a per sec from a light year?
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What is a light-year?
Light Year Visible light travels at a speed of 186,000 miles/second, or to think of this speed in terms of time and distance, a light- second is 186, ppt download
How Long Would it Take to Walk a Light-Year?
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SkyLabs - From Figure (2/2), the relation of the parallax angle p, the Earth–Sun distance 1 AU, and the distance of the object is sin p = 1 AU/d. Assuming p is
How Long Would it Take to Walk a Light-Year?
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