{"id":173990,"date":"2025-10-02T23:05:02","date_gmt":"2025-10-02T23:05:02","guid":{"rendered":"https:\/\/teknomers.com\/en\/we-had-believed-that-dark-matter-existed-but-a-new-study-suggests-we-might-be-mistaken\/"},"modified":"2025-10-02T23:05:04","modified_gmt":"2025-10-02T23:05:04","slug":"we-had-believed-that-dark-matter-existed-but-a-new-study-suggests-we-might-be-mistaken","status":"publish","type":"post","link":"https:\/\/teknomers.com\/en\/we-had-believed-that-dark-matter-existed-but-a-new-study-suggests-we-might-be-mistaken\/","title":{"rendered":"We had believed that dark matter existed, but a new study suggests we might be mistaken."},"content":{"rendered":"\n

The Enigma of Dark Matter: Rethinking the Universe’s “Invisible Glue”<\/h2>\n

For decades, \u00a0cosmology\u00a0 has depended on a fundamental yet elusive concept: \u00a0dark matter\u00a0. This \u00a0invisible force\u00a0, according to the standard model, binds galaxies together and prevents stars from flying apart due to \u00a0centrifugal forces\u00a0. Representing approximately \u00a027%\u00a0 of the universe, dark matter remains undetected\u2014its existence is inferred solely from the gravitational effects it has on visible matter. However, a new study published in Galaxies<\/em> is disrupting this long-held belief.<\/p>\n

The Study: A Radical Idea<\/h2>\n

Led by physicist Rajendra P. Gupta<\/a> from the University of Ottawa, the research proposes a groundbreaking idea: what if dark matter does not exist? Gupta’s work suggests this ghostly component may be nothing more than an \u00a0illusion\u00a0\u2014a byproduct of a long-assumed principle: that the fundamental constants of nature remain \u00a0constant\u00a0 over time.<\/p>\n

The Importance: A Historical Perspective<\/h2>\n

To grasp the magnitude of this proposal, one must go back to the 1970s. It was during this time that astronomer \u00a0Vera Rubin\u00a0 uncovered that stars located on the edges of galaxies rotate at the same speed as those near the center. This observation directly challenged \u00a0Newton’s laws of motion\u00a0, indicating that if the universe obeyed these laws, a significant gravitational force was missing. The scientific community nailed down one possible explanation: the existence of dark matter, an invisible mass that supposedly generates the extra gravity needed to keep galaxies intact. This concept has since become the linchpin of the cosmological model known as \u00a0\u039bCDM\u00a0 (Lambda-Cold Dark Matter).<\/p>\n

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The \u039bCDM model has proven remarkably effective in explaining large-scale cosmic phenomena, yet after decades of searching with advanced detectors and experiments conducted at the Large Hadron Collider (LHC), no particle of dark matter has ever been confirmed. We have only “detected” it through its gravitational effects on observable objects.<\/p>\n

The Proposal: Gupta’s Model<\/h2>\n

Enter Gupta’s knight-in-shining-armor concept. His model, dubbed \u00a0CCC + TL\u00a0 (Covariant Coupling Constants + Tired Light), rests on two pillars.<\/p>\n

The first idea is centered around \u00a0Covariant Coupling Constants\u00a0 (CCC). Gupta proposes that fundamental constants, such as the speed of light (c) and the universal gravitational constant (G), are not fixed but rather evolve as the universe expands. While this concept was previously considered by physicist \u00a0Paul Dirac\u00a0, Gupta integrates it into a complete cosmological framework.<\/p>\n

The second essential idea is derived from the controversial hypothesis of \u00a0“tired light.”\u00a0 Initially proposed decades ago, this concept theorizes that light loses energy during its journey across space. In Gupta’s model, he suggests that the \u00a0redshift\u00a0 of light from distant galaxies may result not just from the universe\u2019s expansion but from a combination of both this tired light effect and evolving constants. While the tired light theory has been widely critiqued, its inclusion in Gupta’s hybrid model is crucial for his mathematical predictions.<\/p>\n

New Terms: The Emergence of \u03b1-material and \u03b1-energy<\/h2>\n

With these two innovative ideas, Gupta alters Einstein’s field equations, giving rise to new mathematical terms he refers to as \u00a0\u03b1-material\u00a0 and \u00a0\u03b1-energy\u00a0. Here’s where Gupta’s proposal becomes truly groundbreaking: these parameters, which are not physical substances but rather effects stemming from the evolution of physical laws, create the extra gravitational pull that had previously been attributed to dark matter. In essence, dark matter could merely be an illusion created by mathematics.<\/p>\n

Testing the Hypotheses: Using the SPARC Database<\/h2>\n

To validate his model, Gupta utilized the \u00a0SPARC database\u00a0, a high-quality catalog containing the rotation curves of 175 galaxies. Unlike conventional methods that introduce dark matter to explain rotation curves, Gupta\u2019s approach elicits the observed curves and \u00a0subtracts\u00a0 the effects of \u03b1-material.<\/p>\n

For example, consider the galaxy NGC3198. Gupta’s model provides a framework to compare the \u00a0actual rotation speed\u00a0, represented by a blue line (VO), against what should be expected if only visible matter existed, shown by the orange dotted line (VB). Meanwhile, the predicted curve from the Gupta model is represented by the dashed line (VBX). The remarkable similarity between the model’s predictions and actual observations indicates promising results.<\/p>\n

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A New Paradigm: Implications of the CCC+TL Model<\/h2>\n

If Gupta’s CCC+TL model is validated, its consequences could be monumental. Not only would it eliminate the necessity of dark matter, but it could also potentially unravel other cosmological enigmas, including the nature of \u00a0dark energy\u00a0 and why the earliest galaxies observed by the James Webb Space Telescope appear more evolved than anticipated.<\/p>\n

Proceed with Caution: A Long Journey Ahead<\/h2>\n

It’s essential to note that this research is currently classified as a “proof of concept,” meaning it employs certain simplifications, like treating galaxies as perfect spheres\u2014an oversimplification of reality. Furthermore, incorporating the idea of tired light clashes with traditional cosmological views, which could prove uncomfortable for some in the field. Models like this must demonstrate they can equate the \u00a0precision\u00a0 of \u039bCDM in explaining critical observations, such as microwave background radiation and the accelerated expansion of the universe.<\/p>\n

Nevertheless, the ongoing exploration within the scientific community, particularly in light of the unyielding complexities surrounding dark matter, signals an opening for innovative ideas. The Gupta model serves as a fascinating perspective\u2014an invitation to reconsider entrenched truths and embrace the possibility that the universe’s greatest mysteries may arise from a deeper understanding of how we define \u00a0reality\u00a0. In science, the most foundational principles are often open to reevaluation, revealing that the landscape of knowledge is anything but static.<\/p>\n


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General News – 2<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

The Enigma of Dark Matter: Rethinking the Universe’s “Invisible Glue” For decades, \u00a0cosmology\u00a0 has depended on a fundamental yet elusive concept: \u00a0dark matter\u00a0. This \u00a0invisible force\u00a0, according to the standard model, binds galaxies together and prevents stars from flying apart due to \u00a0centrifugal forces\u00a0. Representing approximately \u00a027%\u00a0 of the universe, dark matter remains undetected\u2014its existence […]<\/p>\n","protected":false},"author":1,"featured_media":173991,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36399],"tags":[8710,787,22325,8194,17442,60,7808],"class_list":["post-173990","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology","tag-believed","tag-dark","tag-existed","tag-matter","tag-mistaken","tag-study","tag-suggests"],"_links":{"self":[{"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/posts\/173990","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/comments?post=173990"}],"version-history":[{"count":0,"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/posts\/173990\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/media\/173991"}],"wp:attachment":[{"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/media?parent=173990"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/categories?post=173990"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/tags?post=173990"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}