Scientist's warning: The universe is disappearing. What can we do? Find out more here
It is so sad, but it must be said that the universe disappears and not in a physical way, but disappears from being able to discover new worlds in it. 20 years ago we realized that the universe is expanding, and that the expansion of the universe is accelerating more and more. And that takes us away from a lot of worlds. First of all, the individual galaxies are very far away from us due to this expansion, and according to Big Think, the galaxies will reach a point where we will not be able to reach them even if we go at the speed of light.
Already a lot of galaxies are extremely far away from us and now we have zero chance to reach them. For example, any galaxy we see now is far away from what scientists calculate. Light from a galaxy can reach 100 or 150 million light-years or more to an observer on Earth. And we will calculate where is the galaxy, for example, 100 million years => the galaxy is 100 million light-years from us, but in fact, the galaxy is at a much greater distance from us, due to the expansion of the Universe during those 100 million years and also the motion of that galaxy.
Theoretically, scientists know that any light emitted with energy comes with a wavelength. If the fabric of the Universe is constant, then that wavelength will be constant, but due to the expansion of the entire Universe, that wavelength will not be constant at all but instead will be longer than at the beginning. This further confuses scientists' calculations.
Unfortunately the answer to the question: What could we do with this expansion of the Universe? is NOTHING we can do.
It is quite difficult to give an answer if our galaxy, the Milky Way, could remain at a significant distance from any other galaxy so that we have a 0% chance of reaching it (another galaxy). But it's not impossible. The universe is extremely large, and even if we know that our Milky Way galaxy is in the local group of galaxies, it is impossible to know exactly where it is in the universe.
If the universe is infinite, then we will never be able to answer. If the universe is finite, it will still be extremely difficult to tell where our galaxy is. The only thing we can do now is to develop technology and science more than we do now and to develop spacecraft much faster. Of course, we may never reach even 1% of the speed of light, but we can accelerate the development of high-speed spacecraft.
In addition to the development of technology, we should find out the beginnings of the Universe as soon as possible and find out when and how this acceleration of the expansion of the Universe began. According to an article written on Big Think, about this expansion of the Universe, we could measure the sources from a lot of distances, discovering their movements towards red.
It would be a very good idea to measure their intrinsic brightness in relation to their apparent brightness or their intrinsic size in relation to their apparent brightness. If we can do that, we will be very close to finding out the entire history of the expansion of the universe.
Should we ask ourselves how fast the universe is expanding?
Because there are not many gravitational currents in the entire universe, only around bodies such as stars, planets, etc.
Because the universe is not controlled by gravitational forces, galaxies can move farther and farther away from us (depending on how far the universe expands).
An article in the Forbes publication states that only 6% of the galaxies in our observable Universe are accessible to us. And that's if we travel at the speed of light. Clearly the above percentage will decrease after a lot of years. 6% of the galaxies of the Universe observable by us are accessible from approx. two trillion! This means only something: we must hurry if we really want to discover new worlds outside the Milky Way.
We know a lot of exoplanets in our galaxy, but we can't even imagine what other planets in other galaxies are like. They're the same? Do they have life on them? Do they have a stable atmosphere? Do they have water?
Do they have the same structure as one of the categories of planets we know or are they completely different?
What geology do they have?
And many other questions that we will not discover if we do not hurry to discover those planets.
We have two options:
1. We are developing, and humanity will be able to live beyond the Local Group of Galaxies.
2. We are not developing enough and we are not developing the intergalactic journey, so we will remain prisoners for the whole future of humanity in the Local Group of galaxies. The Local Group will be in the future like a few trees in the middle of an entire desert or worse ...
The universe will not disappear, we will remain in it, but we may know nothing but our group of galaxies, the entire universe we see, will disappear from the minds of many people.
The future will be influenced by our decisions.
Article by: Andacs Robert Eugen, on 01 February 2022, at 10:40 am Los Angeles time
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