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What causes the noise on a television when it goes to static is background cosmic radiation left over from the Big Bang. The rays remaining in space interrupt the signals being sent to your television, causing the "static snow". If you have any other questions please feel free to e-mail me at: acgsports@sbcglobal.net

Only about 1% of the static in the television is a result of the radiation coming from the cosmos. The rest is from a mix of the channel attempting to pick up a signal on the frequency it's on, other waves traveling through the television, and blank signal.

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Q: What causes noise on TV when it goes to static?
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