III. Ecosmos: A Revolutionary Fertile, Habitable, Solar-Bioplanet, Incubator Lifescape

5. ExoUniverse Studies: Detectable Presence, Conceptual Features

Wood, Charlie. Why This Universe? A New Calculation Suggest Our Cosmos is Typicall. Quanta. November 17,, 2022. A science writer surveys the latest conjectures about what kind of spatial and temporal environs we Earthlings may actually find ourselves. As a gloss, our scientific scenario this far may be legitimate due to a new array of physical and energetic features. Latham Boyle, Perimeter Institute and Neil Turok, its once director and now at the University of Edinburgh post novel theoretical reasons, which cast back to the 1970s, as to why this is the phenomenal case. See, for example, their Thermodynamic Solution of the Homogeneity, Isotropy and Flatness Puzzles. (arXiv:2210.01142) and The Big Bang as a Mirror: A Solution of the Strong CP Problem (2208.10396) papers.

Two physicists have calculated that the universe has a higher entropy — and is therefore more likely — than alternative possible universes. The calculation is “an answer to a question that is yet to be fully understood.” The properties of our universe — smooth, flat, just a pinch of dark energy — are what we should expect to see, according to a new calculation.

Wu, Peng-Ju and Xin Zhang. Wu, Peng-Ju and Xin Zhang. Measuring cosmic curvature with non-CMB observations. arXiv:2411.06356. We cite this work by Ningxia University, China and National Frontiers Science Center for Industrial Intelligence and Systems Optimization, Northeastern University, China for its findings and as another instance of the awesome, collaborative capabilities of Earthuman beings to consider, quantify and finesse entire phenomenal universes over their spacetime dimensions.

The cosmic curvature ΩK is an important parameter related to the inflationary cosmology and the ultimate fate of the universe. In this work, we adopt the non-CMB observations to constrain ΩK in the ΛCDM model. We find that the data combination favors an open universe in the ΛCDM model, specifically ΩK=0.108±0.056 at the 1σ confidence level. Our results show that non-flat models fit the observational data better that the flat ΛCDM model, which infers that flat ΛCDM is not the ultimate model of cosmology. (Excerpt)

The cosmic curvature ΩK relates to the inflationary paradigm and the ultimate fate of the universe. Knowing whether the universe is open, flat, or closed is crucial for us to understand its evolution and the nature of dark energy. In this work, we adopt four late-time cosmological probes to measure ΩK in the ΛCDM model and its five extensions. The baryon acoustic oscillation, type Ia supernova, cosmic chronometer and strong gravitational lensing time delay data are employed. (6)

The Lambda-CDM, Lambda cold dark matter, or ΛCDM model is a mathematical model of the Big Bang theory with three major components: a cosmological constant, denoted by lambda (Λ), associated with dark energy the postulated cold dark matter, denoted by CDM ordinary matter.

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