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Answered 2011-08-10 05:09:17

Yes. Light waves are electromagnetic waves, which do not require a medium to travel through.

Mechanical waves (such as sound) do require a medium to travel through, so sound waves cannot travel through a vacuum.

Space is a vacuum. The light from the stars (including our own sun) travel across a great distance in a vacuum to get to us.

The accepted speed of light is its speed in a vacuum, which is 299,792,458 m/s.

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