Astronomers who study the largest map of the universe have received indications that our best understanding of the universe is due to a great writing.
In this analysis, which covers about 15 million galaxies and kosar, which covers 11 billion years of cosmic time. Black energy -Permanent strength to advance the rapid expansion of our universe.
Or at least this is what has been collected by data Dark Energy Spectroscopic device (Desi), when the star blasts, combined with information from the cosmic microwave background and weak gravity lensing.
If the results are intact, it means that a very mysterious force that controls the destiny of our universe is more severe than the first thought – and that something is very wrong in the model of our current universe. Researchers’ results appeared Multiple papers Pre -print server on Archives and March 19 American Physical Society’s World Physics Summit Anim, in California, so they have not yet been reviewed.
“It is true that only the results of the indigenous are in line with the easiest explanation of dark energy, which will prove to be an unpredictable cosmic.” David ShilgalCalifornia, a indigenous project scientist at the Lawrence Berkeley National Laboratory, told the science directly. “But we cannot ignore other figures that increase both the universe before and after. [DESI’s results] With these other data, when it becomes really strange, and it seems that the dark energy should be ‘dynamic’, which means it changes over time. “
Evolution cosmos
Black energy And Darkest matter There are two of the two mysterious ingredients in the universe. Together they make up About 95 % Of Cosmos, but since they do not interact with light, they cannot be directly detected.
Nevertheless, these ingredients are key components in the Lambda Cold Dark Meter (Lambda-CDM) model, which ruled the universe, which makes the universe development map and predicts its end. In this model, the Dark substance is responsible for keeping galaxies together and otherwise calculates incredibly powerful gravity, while the Dark Energy explains why the expansion of the universe is accelerating.
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But despite the Infinity Observations Of these hypothetical darkest persons Formulate Ours NatureScientists are not yet convinced where they have come from, or what they are. Currently, the best theoretical description for Dark Energy is made by quantum field theory, which describes space gaps as is full of sea Quantum Fields It produces volatility, inner energy density in empty space.
As a result of the Big Bang, it increases the energy as the space is spread, which produces more vacuum and more energy to separate the universe. This advice helped scientists bind to dark energy The universe permanent -The energy of a fictitious inflation, with the fabric of space -time in the life of the universe. Einstein named Lambada in his theory Normal relationship.
“The problem with this theory is that the number does not increase.” Catherine HammusProfessor of Astro Physics and Scotland Royal Royal at Edinburgh University who were not involved in the study. “If you say: ‘Well, what kind of energy will I expect from such a space?’ He directly told Science that it is very, very, very, very different that we measure.
He added, “It is interesting that the universe has thrown us a curve here.”
Scan the dark universe
To find out if the dark energy is changing over time, astronomers turned to the Desi for three years of qualified data, which is mounted on the Nicholas Yu -Mael 4 -meter telescope in Arizona. The indigenous indicates the monthly positions of millions of galaxies to study how the universe has spread to today.
Researchers have yielded a strange result by compiling the desi’s observations, which includes the best measurement of about 15 million, and Koasar (ultra -luminous items operated by the super Massey Black Hole).
Itself, the telescope observations are in “weak tension” with the Lambda-CDM model, which shows that dark energy as the age of the universe may lose power, but without the importance of sufficient statistics to break with the model.
But when folded with other observations, such as the rest of the universe’s light The background of the universe microwaveGravity warping of light from supernova, and remote galaxies, is likely that dark energy is producing even more balloons. It forwardes the differences of observations with the standard model as far as Five– from.Sigma results Physics use as a “gold standard” for a new discovery.
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Whether this result will end or end with more data over time, it is not clear, but the confidence in astronomical physics is increasing that the contradiction is less likely to disappear.
“These figures show that even today, dark energy is becoming less important, or it was more important in the universe.”
Astronomers say that more answers will come from the flotillas of new experiments investigating the nature of dark matter and dark energy in our universe. They include Euclid Space TelescopeNASA’s Nancy Grace Roman Space TelescopeAnd Desi himself, who is now scanning the sky in the fourth in his five years, and will measure 50 million galaxies and kosar by the time of his work.
“I think it’s appropriate to say that the result was taken at the price of the face, it seems that we have the biggest indication about the nature of the dark energy [rough] 25 years since we discovered it, ” Adam RiceProfessor of astronomy at Johns Hopkins University Won the 2011 Nobel Prize in Physics He told Science directly to his team’s 1998 discovery of Dark Energy. “If it is confirmed, it literally says that dark energy is not the one that thinks, a stable source of energy, but maybe even more foreign.”
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