III. Ecosmos: A Revolutionary Fertile, Habitable, Solar-Bioplanet Lifescape
B. Our Whole Scale EcosmoVerse Description Project
After theoretical Quantum Cosmology, here we present a survey of astrophysical vistas that have expanded from Galileo’s moon to an infinite multiUniVerse. Our “own” cosmos in its temporal course is graced by a trillion galaxies, each with billions of stars and a quintillion orbital worlds in and out of habitable zones. A good recent example is Finding Our Place in the Universe by Helene Courtois.
IAU Strategic Plan 2020-2030. iau.org/administration/about/strategic_plan. This is a 72 page International Astronomical Union document drafted by Debra Elmegreen, Ewine van Dishoeck, Renée Kraan-Korteweg and Piero Benvenuti to scope out a range of activities for new research projects and proposals, along with public and educational communication and engagement. Founded in 1919, the IAU publishes Symposia Proceedings of which the latest volume 353 is Galactic Dynamics in the Era of Large Surveys, see also Origins: From the Protosun to the First Steps of Life (345).
The International Astronomical Union, whose mission is to promote and safeguard astronomy in all its aspects through international cooperation, has been the worldwide organisation of professional astronomers since 1919. In the last century, the endeavour of astronomy has grown and evolved in ways that could not have been anticipated or predicted at the time of the IAU’s founding. In the early 1900s, astronomers had not yet proven that there were other galaxies besides the Milky Way. The expansion of the Universe was unknown IAU Strategic Plan 2020 –2030. (8)
Abbott, Brian, et al. Virtual Universe. Natural History. April, 2004. The American Museum of Natural History has created a digital universe atlas which spans 15 stages from earth’s solar system to the far edges of the cosmos. These images can be downloaded at www.haydenplanetarium.org/hp/vo/du/download.html.
Adhikari, Susmita, et al. Astrophysical Tests of Dark Matter Self-Interactions. arXiv:2207.10638. Fourteen scientists in India, the USA, the UK, Germany and Iceland post a 58 page study with 688 references about our latest worldwise collatorative engagement with this novel substantial phase. Our take is then meant to record these recent findings of its apparent tendency to interact and organize on its own. The copious entry is also a good instance of such 2020s Earthropocene era scientific frontiers, on the way it seems to a whole Ecosmos quantification. See also A Better Way to Define Dark Matter Haloes by this team at 2207.11827. (Whom are we Earthlings altogether to be able to do and learn these features? Whatever grand discovery might we begin imagine, if to allow the very thought?)
Self-interacting dark matter (SIDM) arises generically in physics scenarios beyond the Standard Model that have dark sectors with light mediators or strong dynamics. SIDM models provide a promising way to explain galactic rotation curves, and go onto form a versatile framework for interpreting astrophysical phenomena. This review provides a comprehensive explanation of the physical effects and structures of SIDM ranging from galactic satellites to clusters. The review then discusses the theoretical motivation for self-interactions, degeneracies with gravitational effects, extensions to the single-component elastic-interactions SIDM framework, and future prospects. (Excerpts)
Aerts, Conny. Probing the Interior Physics of Stars through Asteroseimology. arXiv:1912.12300. The KU Leuven, Belgium astrophysicist and Radboud University, Netherlands Institute of Astronomy director posts a 70 page popular review of this new cosmic field
Asteroseismology, the interpretation of the characteristics of oscillation modes in terms of the physical properties of the stellar interior, brought entirely new insights in how stars rotate and how they build up their chemistry throughout their evolution.
akrami, Yasher, et al. The Search for the Topology of the Universe has just Begun. arXiv:2210.11426. This entry by a 14 person team based at Case Western Reserve University and also in Japan, Norway, the UK and Spain ban illustrate the functional scope and open frontier quest that our valiant Earthumanity is commencing to embark upon with seemingly limitless intrinsic abilities to do so.
New large-angle cosmic microwave background anisotropies can facilitate wider searches for cosmic topology. We demonstrate that for standard geometries of flat spacetimes, off-diagonal correlations between microwave background harmonic coefficients over a wide range of scales encode significant information, even if the topology scale exceeds the diameter of the observable Universe. Observations have so far considered a small subset. (Excerpt)
Aluri, Pavan, et al. Is the Observable Universe Consistent with the Cosmological Principle?. arXiv:2207.05765. We continue to cite entries such as this 85 page, 555 reference paper by a 24 person team posted in India, Italy, China, the UK, Belgium, Korea, Poland, Germany, Portugal, the USA, Iran, and New Zealand as a prime example of 2020s global collaborations. In some four centuries since Galileo our human explorations and findings have gone from a moon to a Multiverse. An Earthropocene sapiensphere now proceeds apace to achieve breadth and depth quantifications of the whole ecosmic uniVerse. In a planatural philosophia, it could seem that these scientific missions may serve an intended, functional requirement of a cocreative self-description, comprehension, acknowledge and affirmation.
The Cosmological Principle (CP) is the notion that the Universe is spatially isotropic and homogeneous on large scales, which culminates in the highly predictive Λ-Cold-Dark-Matter (ΛCDM) model. Yet issues remain and here we review current observations that may deviate from the standard CP. Such as varying cosmological parameters, cosmic dipoles and galaxy spins. While it is possible that a host of observational systematics are impacting results, it is equally plausible that precision cosmology may have outgrown the FLRW paradigm, an extremely pragmatic but non-fundamental symmetry assumption. (Excerpt)
Ambjorn, Jan, et al. The Self-Organizing de Sitter Universe. International Journal of Modern Physics D. 17/2515, 2009. This paper by Ambjorn, Niels Bohr Institute, Jerzy Jurkiewicz, Jagellonian University, and Renate Loll, Utrecht University, is also available at arXiv:0806.0397. It is introduced by saying that the 1917 cosmological solution to Einstein’s field equations by the Dutch astronomer Willem de Sitter continues to guide understandings of the nature of spacetime. (See also the author’s paper “Nonperturbative Quantum Gravity” in Physics Reports, online May 2012). Highly technical physics, (many more by each scientist at arXiv), as self-similar fractal’s appear to span from quantum to quasar.
We propose a theory of quantum gravity which formulates the quantum theory as a nonperturbative path integral, where each spacetime history appears with the weight exp (iSEH), with SEH the Einstein-Hilbert action of the corresponding causal geometry. The path integral is diffeomorphism-invariant (only geometries appear) and background-independent. The theory can be investigated by computer simulations, which show that a de Sitter universe emerges on large scales. This emergence is of an entropic, self-organizing nature, with the weight of the Einstein-Hilbert action playing a minor role. Also the quantum fluctuations around this de Sitter universe can be studied quantitatively and remain small until one gets close to the Planck scale. The structures found to describe Planckscale gravity are reminiscent of certain aspects of condensed-matter systems. (Abstract, 2515)
Ambjorn, Jan, et al. The Self-Organizing Quantum Universe. Scientific American. July, 2008. A popular article on a breakthrough conception that fittingly comes by way of Jan Ambjorn at the Neils Bohr Institute in Copenhagen, Jerzy Jurkiewicz from Jagiellonian University in Kracow, Poland, and Renate Loll with Gerald t’Hooft’s Institute of Theoretical Physics at Utrecht University. Braced by a history of quantum theory, with over ten years of technical papers accessible from the author’s websites, what is proposed is indeed a cosmic Copernican Revolution. The 20th century stringy models, inappropriate and signifying nothing, ought to be set aside. Rather a material nature graced everywhere by component ‘motes’ in relational motion reveals an innate propensity to organize and develop itself into increasingly complex phenomenal form. A fractal-like spacetime thus abides whereof the same creative patterns and processes repeat at each sequential scale and instance. Quite Nobel quality work, and if properly grasped, a profound genesis universe can begin to gain its theoretical explanation.
To put it differently, if we think of empty spacetime as some immaterial substance, consisting of a very large number of minute, structureless pieces, and if we then let these microscopic building blocks interact with one another according to simple rules dictated by gravity and quantum theory, they will spontaneously arrange themselves into a whole that in many ways looks like the observed universe. (43) Similar mechanisms of self-assembly and self-organization occur across physics, biology and other fields of science. A beautiful example is the behavior of large flocks of birds, such as European starlings. Individual birds interact only with a small number of nearby birds; no leader tells them what to do. Yet the flock still forms and moves as a whole. The flock possesses collective, or emergent, properties that are not obvious in each bird's behavior. (43)
Somewhere Over the Cosmos.
An update on the growing acceptance, percolation, even acquiescence, unto a scientific mindset (e.g., Alvin Toffler in the May/June 2009 Foreign Policy) of a multiverse infinity of cosmoses, of which our present universe is but a fleeting “random accident.” The aim of this bibliographic website is to document that such misconceived doom is wrong and destructive while in our midst a novel cosmic to human gestation is arising, if only we could altogether look for it.
Andrews, Robin George. A Dance that Stops 2 of Neptune’s Moons from Colliding. New York Times. November 21, 2019. The volcanologist and science writer (see his site) comments on Orbits and Resonances of the Regular Moons of Neptune by Marina Brozovic, et al at JPL, NASA, and SETI Institute including Jack Lissauer in Icarus (338/Art. 113462, 2020). Mathematical forces seem to be at work amongst the 14 moons and counting of this gas giant outer world which serve to direct orbital traffic so they stay in their lanes.
Ashtekar, Abhay, et al, eds. General Relativity and Gravitation. Cambridge: Cambridge University Press, 2015. A formidable volume for the 100th anniversary occasion of Albert Einstein’s discovery of these cosmic properties, by senior scientists such as George Ellis, Malcolm MacCallum, Martin Rees, Beverly Berger, Misao Sasaki, and many others. A century later a more global, engendered effort contains Einstein’s Triumph, Gravitational Waves, Gravity is Geometry, and Beyond Einstein sections.
Bahcall, Neta. The Dark Side of the Universe. carnegiescience.edu/events/lectures/dark-side-universe. A Carnegie Institution for Science, Washington public lecture to be given on June 25, 2019 by the esteemed Princeton University astrophysicist. The quote below glimpses the latest views on the whole scale composition of this awesome cosmos, which yet seems readily amenable to our human description.
Of what is the universe made? Not only is most of the matter in the universe dark and unconventional but, surprisingly, the major component of the universe may be "dark energy" — a form of energy that opposes the pull of gravity and causes the universe's expansion to accelerate. By combining recent observations of clusters and large-scale structures, distant supernovae, and the cosmic microwave background radiation, we find evidence for a universe comprised of 5 percent normal atomic matter, 20 percent non-atomic dark matter, and 75 percent "dark energy." The observations suggest a universe that is lightweight. With only 25 percent of its critical mass-density needed to halt the universal expansion, the universe will likely expand forever. Dr. Bahcall will discuss the observations of the dark side of the universe and their implications.