Nice post, i like it when we have good knowledgeable posts. However, light is always travelling so anything we can see now (other galaxies) we will be able to see in the future. The light coming from is will just be redshifted
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Yes, it is redshifted but in some hundreds of billions of years, space will have expanded so much that light just won't reach from one galaxy to another. The distances involved would be just too huge.