In the distant future, all galaxies and radiation we see today will have faded away to be completely undetectable. Given time, the photons will be stretched so far that we won't be able to detect the galaxy at all. These wavelengths of light get all stretched out, and duckslide further into the red end of the spectrum, off to infrared, microwave, and even radio waves. Light emitted by the galaxies is moving towards us, while the galaxy itself is traveling away from us, so the photons emitted by all the stars can still reach us. How can we even see the Cosmic Microwave Background Radiation? Thanks universe. So how it's possible to see the light from any galaxies moving faster than the speed of light. Most of the universe we can see is already racing away at faster than the speed of light. WMAP data of the Cosmic Microwave Background. I can steal it from my children whenever I want. Unfortunately, it's also terribly convenient. I'd suggested that this is a terribly oversimplified model for our universe expanding. There's no center, and the universe isn't expanding into anything. It's not an explosion from a specific place, with galaxies hurtling out like cosmic jetsam. Perhaps it's dark energy acceleration, or the earliest inflationary period of the universe when EVERYTHING expanded faster than the speed of light. ![]() So, how can galaxies be traveling faster than the speed of light when nothing can travel faster than light? Warp speed galaxies come up when I talk about the expansion of the universe. And then I'll say something like, " galaxies are moving away from us faster than the speed of light." There's more than a few items on this list, and it's confusing at best. ![]() I've also said "nothing can travel faster than the speed of light". "Not even light itself can escape a black hole", and then, " black holes and they are the brightest objects in the universe".
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