ורד צלופח להנחות light year in km ילדותי מיצוי מסומן
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LogIQids - #LearnWithLQ - What is a Light Year? Popular misconception makes one believe that a light-year is a unit of time. However, it is an astronomical unit of distance. One light-year
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Freethinkers How far exactly is a light year Light travels 186,000 miles per second. There are 60 s… | Astronomy facts, Space and astronomy, Space ship concept art
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