Biology, 04.07.2019 12:30, BrianKeokot4534

Light and radio waves travel through a vacuum in a straight line at a speed of very nearly 3.00 x 10 8 m/s. how far is ligth year (the distance light travels in a year)?

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Light and radio waves travel through a vacuum in a straight line at a speed of very nearly 3.00 x 10...