May 26, 2023 · And it’s possible, although no one is certain, that this unobservable Universe may be truly infinite in extent. It wouldn’t make sense, if this were so, to ask “What’s it expanding into Oct 29, 2017 · The universe is infinite, so it cannot (by definition) expand into anything and there is nothing on the other side. As far as we know, the Universe is infinite and has always been infinite, even as far back as the Big Bang. One way to think about this is to imagine the Universe's density rather than its size. At the time of the Big Bang, the Universe was both infinite in size and infinitely Apr 21, 2022 · There was a time when the “Universe” meant “everything there is.” The many worlds interpretation implies that there are an uncountably infinite number of universes and scientists Aug 9, 2021 · It taught us that the universe was considerably older than we had thought; that there were plumes of water vapor emerging from an ice-covered moon of Jupiter; that supermassive black holes are real. Our modern understanding of gravity comes from Albert Einstein’s theory of general relativity, which stands as one of the best-tested theories in science. General relativity predicted many phenomena years before they were observed, including black holes, gravitational waves, gravitational lensing, the expansion of the universe, and the different rates clocks run in a gravitational field. Apr 29, 2023 · These are rules that the universe follows, which may not be the same from universe to universe. As mentioned in the 2008 paper, inflation, the rapid expansion of the early universe, limits the .

is there anything infinite in the universe