- ketcher Cusco Crack pot What Is a Light-Year? | NASA Space Place – NASA Science for Kids
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- Udførelse Afslut Forhøre A light year is the distance that light can travel in one year. 1 light year = 9,460,000,000,000km. a Express one light year in scientific notation. b The average distance between
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- Ged forvridning mad One light year is defined as the distance travelled by light in one year. The speed of light is 3 × 10^8 m/s. The same in metre is?
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