Today we have to talk about a new map of the universe thanks to data from the James Webb space telescope. Maps help us first of all to understand where we are, the area where we are, where we live, also to know where the interesting places are where we could go and also the unexplored areas and ask ourselves what is beyond the edges of the map.
In this case, the two maps that I am going to talk to you about, one the new one and the other already known, although it is being perfected little by little, I am referring to the cosmic microwave background, help us to know the unexplored territories of the cosmos and also ask ourselves what lies beyond, there was something before the Big Bang, which is the Eridanus supervoid, it is the signal of a collision with another universe.
It was learned from the statement of May 11 from the University of California, in the statement they announced the publication of the most detailed map ever made of the cosmic network, in the image it is actually only one of the graphs because the study is huge, there are a lot of graphs too.
The study is not only that specific map, there is a lot of data, references, the cosmic web is studied on a large scale, the cosmic web is a huge network of many filaments and sheets, including dark matter and gas and galaxies and clusters, all of that, although the cosmic web shows us the skeleton of the universe, this specific map does not show the entire universe, but rather a slice.
It tracks galaxies over more than 13,000 million years, that is why it has this point, the zero point that you see, it would be the initial point and it extends in time and space, that would be like a slice, and it goes up to about 700 to 800 million years and reaches almost to the present day.
It has been achieved thanks to the infrared sensitivity of the James Webb, I remember that the infrared is also the light that helps us to see objects that emit heat and also very faint and very distant objects, things that the Hubbel, for example, could not see and this allows us to see structures that were previously invisible with the Hubble thanks to the James Webb and to have a much higher resolution of these filaments and to have more details of all that matter, of all those galaxies, because each point of light that You see here in the image it is not a star, there is not a single star there, each point of light is a galaxy, that is how cosmic this gigantic map is.
And this is more or less what some researchers want to do by analyzing these maps, to know what could have been there before and, of course, to know what the final destiny of the universe is, how the large-scale structure of the cosmos was formed, how the first galaxies were formed, how they were grouped into filaments and how those filaments grew over time, connecting giant clusters and leaving enormous voids, to see how all this scaffolding of the universe has been built and where we are going.
The map developed now allows us to check if the theoretical simulations that existed before, including those that had dark matter and dark energy and various theories about gravity, coincide with the observed reality, remember that in science there can be many theories, many speculations, but in the end the one who wins is always reality and the theory that wins or the one that prevails is the one that best explains what we are seeing.
In short, it will help us study the echo of the Big Bang, also the original fluctuations of the microwave background and is the bridge between what happened shortly after the Big Bang and more or less the universe and cosmos that we know and inhabit today.
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