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While I was reading a similar questionsimilar question asking if other galaxy could be made of antimatter, to which the answer was: if they were, we should detect the radiation from matter interacting with antimatter on that sort of scale. But what if the missing antimatter lies outside the observable universe. Wouldn't that result in the matter dominated observable universe we live in, without any of the radiation from the antimatter lying outside it being detected?

While I was reading a similar question asking if other galaxy could be made of antimatter, to which the answer was: if they were, we should detect the radiation from matter interacting with antimatter on that sort of scale. But what if the missing antimatter lies outside the observable universe. Wouldn't that result in the matter dominated observable universe we live in, without any of the radiation from the antimatter lying outside it being detected?

While I was reading a similar question asking if other galaxy could be made of antimatter, to which the answer was: if they were, we should detect the radiation from matter interacting with antimatter on that sort of scale. But what if the missing antimatter lies outside the observable universe. Wouldn't that result in the matter dominated observable universe we live in, without any of the radiation from the antimatter lying outside it being detected?

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Could the missing antimatter lie outside the observable universe?

While I was reading a similar question asking if other galaxy could be made of antimatter, to which the answer was: if they were, we should detect the radiation from matter interacting with antimatter on that sort of scale. But what if the missing antimatter lies outside the observable universe. Wouldn't that result in the matter dominated observable universe we live in, without any of the radiation from the antimatter lying outside it being detected?