Web3 nov. 2024 · This galaxy, just 47 million light-years away, is the first in the nearby Universe to be detected via its unique neutrino signature, taking astronomy into new, uncharted territory. The galaxy ... Web26 feb. 2024 · And today, 13.8 billion years after the Big Bang, the farthest thing we could possibly see, corresponding to the light emitted at the first moment of the Big Bang, is …
The mystery of how big our Universe really is - BBC Future
Web31 mrt. 2024 · The Milky Way is an ancient galaxy that was born only a few hundred million years after the Big Bang. Credit: NASA/JPL. Most galaxies are between 10 billion and 13.6 billion years old. ... In 2016, astronomers used NASA's Hubble Space Telescope to measure a galaxy called GN-z11 that is 13.4 billion light-years away. Web23 feb. 2024 · In a non-expanding Universe, as we covered earlier, the maximum distance we can observe is twice the age of the Universe in light years: 27.6 billion light years. greenshoots maths.gsed.co.za
big bang theory - Why can we still see 10 billion year old galaxies ...
WebA faint relic glow from 380,000 years after the big bang, it’s the furthest back we can see with light. Using a variety of probes, we have studied this leftover radiation for decades. … Web19 jan. 2024 · But this means GN-z11 was 13.4 billion light years away when the light we are seeing today was emitted. Since GN-z11 is moving away from us it has increased the separation from us in that 13.4 billion years and if using comoving time as discussed above it is now about 32 billion light years away. WebIn a nutshell, yes, the galaxies were 10 billion years away when the light was emitted which we see today. But the universe is still expanding, so they were probably closer but as the light traveled towards us, the distance towards us grew a bit. In fact, there are reasons to believe that the universe is much bigger than we can ever see. greenshoots music