4 Answers

  1. There are options here, and they are related to the mass of the universe and the speed of its expansion. The classic outcome of the infinite expansion of the universe is heat death. Once the stars go out, black holes explode, energy is gradually distributed evenly, and hello, the kingdom of entropy. However, maybe not everything is so sad. The reason for the accelerated expansion of the Universe has not yet been found, having inserted crutches in the form of dark energy into the theory. Perhaps this is just a measurement error, because the farther away an object is from us, the earlier we observe it at an early stage in the development of the Universe. Beyond 13.8 billion light-years, you can't see with any telescope at all, you can only see from the moment when the universe became transparent to electromagnetic radiation. Actually, the relic radiation is that moment. So – if it turns out that the gravitational force of the masses forming our universe still exceeds this incomprehensible force that bursts it, then everything will return to normal-reverse compression into a super-dense object with a singularity and a new bang with a new countdown. But because of quantum effects, a copy of the existing world will not work. So I have to disappoint those who believe in such a reincarnation.

  2. “nothing will ever happen” and “end of time” are very different things. Just because nothing happens or changes over time doesn't mean the end of time. In general, it is quite difficult to determine what the end of time is. Except for the Large Gap and Large Compression models, but they are most likely incorrect.

    Well, besides, after everything goes out, a lot more will happen – the cooled-down extinguished stars will continue to move in their orbits

  3. If everything goes out in the universe, it just becomes completely dark, but as we know in and in the dark a lot of things happen, this is especially noticeable in our daily life and in everyday life in particular. A lot of things people do in the dark, and what about the whole universe at once to say. If we say that matter will disappear in the Universe, then the situation is different, namely: without Matter, Space will remain, the places previously occupied by Space will be freed up, in short, it will only become easier for Space to breathe. As I understand it, we are now standing in the place of an independent observer and contemplating such a picture, that is, we don't see a damn thing at all, because there is nothing to look at, well, we are standing and standing , and we have noticed how much we are already standing , let's say we have been standing like this for 24 hours, we look over time.. let there be light, and there was light …”, and as time passed, so it continues to go, that with the end of the world it did not end , that with the beginning it continues to go.

  4. The answer is simple – when the stars go out, losing energy, they also “give” it to space, where it “migrates”), it is stored there and does not disappear anywhere…nothing ever disappears, it disappears completely without a trace..

    The stars “handed over” heat and energy, Space “accepted”))..What happens next?..We need to think about the options (a couple of billion years), while our mind and technology are not able to answer this question, we can only fantasize and assume violently))…

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