how does light travel?
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5
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Light travels as a wave. But unlike sound waves or water waves, it does not need any matter or material to carry its energy along. This means that light can travel through a vacuum—a completely airless space. ... It speeds through the vacuum of space at 186,400 miles (300,000 km) per second.
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7
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light
moves and travels at the same as a wind but unlike water waves and sound waves it does not take any material or does not require any material to travel through
that means it just needs a vacuum and does not need any air
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