Maths Arena

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The cosmological principal states that on a large scale, the universe is homogeneous (uniform in density) and isotropic (looks the same in all directions). This is a crucial fundamental assumption by astronomers and cosmologists, which provide many shortcuts in studying the universe. For example, physical laws which apply locally, apply universaly as well... We do not need to derive new laws of physics for every distant galaxy. This principle was also key in foundation for the standard model. By applying the principle to Einstein’s General Theory of Relativity, scientists formulated the Lambda-CDM Model, which accurately describes a universe that expanded from the Big Bang and contains both dark matter and dark energy. However a recent journal in Nature, challenges this core principal. Here is the research paper, do read it- Detection of anisotropic cosmic structures on a gigaparsec scale | Nature Join @spacemathsphysicslearners for more such news

Telegram is banned in India until June 22, 2026. Looking at the harsh conditions of Telegram in India and obviously the incapability of the government in conducting national exams, telegram may face permanent ban at any moment. This audience is very dear to me and I wouldn't like to lose you all. So I would request you to subscribe to my YT channel, so that we can shift there, if TG is ever banned... https://www.youtube.com/@aryandas5643

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!! Red and Blue Shifts !! A post with very interesting physics about the universe. Do give it a read. Join @spacemathsphysicslearners

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!! 3-Body Problem !! The most challenging post yet on Astronomy Learners is here! Huge thanks to @suck_at_integrals for directing the insane mathematics in this post! This post dives deep into the Three-Body Problem, featuring appendices that explain tensors, differential geometry, and much more. It took a ton of hard work, so do give it a read — and don’t hesitate to ask if you’ve got questions! If you enjoy it, please consider joining the channel to support more such content: @spacemathsphysicslearners

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