Recent Additions: New and Updated Entries in the Past 60 Days
Displaying entries 31 through 45 of 73 found.
Animate Cosmos > cosmos
The Milky Way’s Black Hole Comes to Light..
New York Times.
A science reporter lauds this discovery by the Event Horizon Telescope Collaboration team, which was announced last week. Several articles about it in the are accessible from this note. Once again, how fantastic is it that one minute newly sentient personsphere can yet achieve such galactic quantifications. Why does this phenomenon exist at all anyway?
The Event Horizon Telescope is a large telescope array consisting of a global network of radio telescopes. The EHT project combines data from several very-long-baseline interferometry (VLBI) stations around Earth, which form a combined array with an angular resolution sufficient to observe objects the size of a supermassive black hole's event horizon.
Animate Cosmos > cosmos
Park, Changbom, et al.
Formation and Morphology of the First Galaxies in the Cosmic Morning.
We cite this paper by eleven astrophysicists based in Korea, the USA, France, and the UK as an example of novel 2020s collaborative abilities on an infinitesimal bioplanet to look back, reconstruct and learn how the stellar universe originally came into being. See also Impact of Cosmic Rays on the Global 21-cm Signal During Cosmic Dawn at 2202.12308 for a similar study. Ever again, how fantastic is it that a novel global sapiensphere is altogether to perform and achieve such ecosmic quantifications? Whom are we all to be able to do this, and what for?
We investigate the formation and morphological evolution of the first galaxies in the cosmic morning using the Horizon Run 5 cosmological hydrodynamical simulation. For galaxies above the stellar mass M⋆=2×109M⊙, we classify them into disk, spheroid, and irregular types according to their asymmetry and stellar mass morphology. The large-scale tidal field imprinted in the initial conditions seems responsible for the dominance of disk morphology, and for the tendency of galaxies to re-acquire a disk post-distortion. (Abstract sample)
Animate Cosmos > cosmos
Pimentel, Guilherme, et al, eds.
Inflation: Theory and Observations.
21 scientists from across Europe and the USA, along with a page of some 200 endorsers, enter a white paper proposal for the Snowmass 2021 Proceedings of the US Community Study on the Future of Particle Physics project. We choose as one example of our intensifying Earthuman temporal and spatial universe endeavors into the 2020s and (hopefully) beyond forever. At once the work supports the current explosive point of origin model which it seeks to embellish. What are we saying? How amazing that a fittest bioworld can possess such abilities to act as a participant quantifier going forward.
Cosmic inflation provides a window to the highest energy densities accessible in nature, far beyond those achievable in any realistic terrestrial experiment. Theoretical insights into the inflationary era and its observational probes may therefore shed unique light on the physical laws underlying our universe. This white paper describes our current theoretical understanding of the inflationary era, with a focus on the statistical properties of primordial fluctuations. With the requisite advancements in analysis techniques, the tremendous increase in the raw sensitivities of upcoming and planned surveys will translate to leaps in our understanding of the inflationary paradigm and could open new frontiers for cosmology and particle physics. (Abstract excerpt)
Animate Cosmos > cosmos
The Particle Physics Community Planning Exercise (a.k.a. “Snowmass”) is organized by the Division of Particles and Fields of the American Physical Society. The Snowmass project provides an opportunity for the entire particle physics community to come together to identify and document a scientific vision for the future in the U.S. and its international partners. Snowmass will define the most important questions for the field and identify promising opportunities to address them. (snowmass21.org)
Villaescusa-Navarro, Francisco, et al.
Cosmology with One Galaxy?..
Thirteen astrophysicists from across the USA including Mark Vogelsberger achieve a unique celestial insight by finding that the typical features of one sample galaxy can then readily apply to a wide array of disparate kinds. The work merited a news article in The New Yorker magazine entitled What Can We Learn about the Universe from Just One Galaxy? by Rivko Galchen (March 23, 2022). The very much answer quite serves once and future appreciations that nature necessarily repeats the same pattern and process at each and every scale and instance.
We quantify the amount of cosmological and astrophysical information that the internal properties of individual galaxies and their host dark matter halos contain. We train neural networks using thousands of galaxies from 2,000 state-of-the-art hydrodynamic simulations from the CAMELS project to study cosmological and astrophysical parameters. We find that knowing the internal properties of a single galaxy can allow our models to infer the value of Ωm with a ∼10% precision. Our results hold for any type of galaxy, central or satellite, massive or dwarf, at all redshifts. We find that the stellar mass, stellar metallicity, and circular velocity are among the most important galaxy properties. (Abstract excerpt)
Animate Cosmos > cosmos
Villaescusa-Navarro, Francisco, et al..
The CAMELS Project: Public Data Release.
We record this rush of cosmic quantification as a leading edge as large global projects intensify. Some 50 authors with postings in the USA (F V-N, Flatiron Institute, NYC), Spain, Canada, Switzerland, South Africa, Korea, Italy, France, and the UK. But any natural philosophy vista is still absent as to whom we all are to be able to carry out and advance. See also Machine Learning and Cosmology by Cora Dorkin and this open team at 2203.08056 and and Learning Cosmology and Clustering with Cosmic Graphs by F V-N and Pablo Villanueva-Domingo at 2204.13713 for further aspects.
The Cosmology and Astrophysics with MachinE Learning Simulations (CAMELS) project was developed to combine cosmology with astrophysics through thousands of cosmological hydrodynamic simulations and machine learning. In this paper we present the CAMELS public data release, describing the characteristics of the simulations and a variety of data products generated from them, including halo, subhalo, galaxy, and void catalogues, power spectra, bispectra, Lyman-α spectra, probability distribution functions, halo radial profiles, and X-rays photon lists. (Abstract excerpt)
Animate Cosmos > cosmos > Quantum Cosmology
Gielen, Steffen and Joao Magueijo.
Quantum Resolution of the Cosmological Singularity.
We cite this posting by University of Sheffield and Imperial College London physicists as one example of frontier Earthuman abilities to plumb and span, so it seems, any depth and breadth of the entire universal expanse, and beyond. Once again it is fantastic to contemplate that such “microcosmic” entities themselves, as they now altogether reside and collaborate within a global cerebral-sphere, can yet accomplish these quantifications across so many orders of magnitude. Might a reason be that planetary peoples are ultimately meant to become ecosmic cocreators?
Animate Cosmos > cosmos > Quantum Cosmology
See also, e.g., Unitarity, Clock Dependence and Quantum Recollapse in Quantum Cosmology by GS and Lucia Pidal in Classical and Quantum Gravity. (April 2022). (2109.02660) and Cosmological Time and the Constants of Nature by JM at (2104.11529). And at the same while that barbaric conflicts, senseless destruction, maybe nuclear war, rages. However can we awake in time to our true winfinity identity.
An Infinity of Worlds: Cosmic Inflation and the Beginning of the Universe.
Cambridge: MIT Press,
A veteran SUNY Buffalo physicist writes a latest theoretical survey of this apparent instant origin. A novel expansion goes on to consider a multiversal occasion.
In the beginning was the Big Bang: an unimaginably hot fire almost fourteen billion years ago in which the first elements were forged. The physical theory of the nascent universe—the Big Bang—was a most consequential development in twentieth-century science. And yet it leaves many questions unanswered. Kinney argues that cosmic inflation is a transformational idea in cosmology, changing our picture of the basic structure and raising questions about what we mean by a scientific theory. He explains that inflation is a remarkable unification of inner space and outer space, in which the physics of the very large (the cosmos) meets the physics of the very small (particles and fields), closing in a full circle at the first moment of time.
Animate Cosmos > cosmos > Gaia
A Brief History of Earth: Four Billion Years in Eight Chapters.
Mew York: Custom House (Harper),,
The senior Harvard naturalist historian provides a latest comprehensive retrospective from our late Earthropic sapiensphere vantage.
Animate Cosmos > cosmos > exouniverse
Pondering the Bits that Build Space-Time and Brains.
The entry is at once a lifetime profile of the University of Pennsylvania polyphysicst VijaY Balasubramanain, and a wide survey of theoretical frontier imaginations. In addition, he directs a second research group at Penn that studies how the world’s physical features may have sculpted the brain via information and computation as a natural language. For examples of his current, collegial work see Entanglement between Two Gravitating Universes at arXiv:2104.13383 and See Spin Structures and Baby Universes at 2007.04333. Into the 2020s, it seems to be newly accessible to consider, quantify and play with whole cosmoses.
In 1989, the renowned physicist John Wheeler proposed a radical new way to think about the universe. Quantum particles may shape-shift and disappear, but we can always count on information. Wheeler speculated that bits of information could be the fundamental ingredient of reality. Every physical quantity, every it, derives an ultimate significance from bits, binary yes-or-no indications, he wrote in an essay envisioning an “it from bit” cosmos. (quote)
Animate Cosmos > Thermodynamics > autocat
A Thermodynamic Threshold for Darwinian Evolution.
The author has a 2015 doctorate in Informatics of Complex Systems from Indiana University, then some years at SFI, and is now at the Universal Biology Institute of Tokyo University where he studies intersects between information, physics and an animated nature. This entry proceeds with an emphasis on self-making, ecosmo-poiesis features of a genesis universe which seems to involved with its own autocatalytic cocreation.
Understanding the thermodynamics of Darwinian evolution has important implications for biophysics, evolutionary biology, and the origin of life. We show that for autocatalytic replicators in a nonequilibrium steady state, the critical selection coefficient is lower bounded by the Gibbs free energy dissipation. This bound presents a fundamental threshold for Darwinian evolution, which is complementary to other thresholds that may arise from finite population sizes, mutation rates, etc. Our results apply to a large class of molecular replicators, including many autocatalytic sets and multistep mechanisms. (Excerpt)
Animate Cosmos > Astrobiology
Fontain, F., et al.
CHEMOUT: CHEMical Complexity in Star-forming Regions of the OUTer Galaxy.
Eight astronomers from Italy, Spain and Germany describe a latest, thorough analysis of biochemical molecules which suffuse all galactic reaches. Thus a case forms that an evidently organic ecosmos will spontaneously seed and infuse itself with the especial precursors that life needs on the way to terrestrial evolution.
The outer Galaxy has a metallicity lower than the Solar one. To gain understanding on how chemistry changes throughout the Milky Way, we observe outer Galaxy star-forming regions with models adapted for lower metallicity environments. Here we present a title observational project known as CHEMOUT. We apply to 35 dense molecular clouds of the outer Galaxy ny way of the IRAM 30m telescope. The result includes simple organic species HCO+, H13CO+, HCN, c-C3H2, HCO, C4H, and HCS+, the hydrocarbon CH3CCH, along with SiO, CCS and SO. Our results show that organic molecules and tracers of protostellar activity are ubiquitous in the low-metallicity environment of the outer Galaxy. Based on this, and the presence of small, terrestrial planets throughout the Galaxy, the Galactic Habitable Zone should be viewed anew for its ubiquitous capacity to form organic molecules. (Abstract excerpt)
Animate Cosmos > Astrobiology
Krift, Sebastiaan, et al.
Chemical Habitability:Supply and Retention of Life’s Essential Elements during Planet Formation.
Eight exo-experts from the UK, the Netherlands, the USA and France including Sean Raymond and Oliver Shorttle continue to find and fill in a deeo proclivity to form complex biochemicals suitably on the way to evolutionary organisms. In regard, just 30 years after the first exoplanet sightings, a comprehensive wiseworld study like this across wide spatial and temporal spans, with some 650 references, quite infers an innately fertile ecosmic genesis. One could say all the further way to our unique Earthuman retrospective discovery.
Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus and Sulfur (CHNOPS) play key roles in the origin and proliferation of life on Earth. Given the universality of physics and chemistry, not least the ubiquity of water and carbon in complex molecules, CHNOPS are likely crucial to most habitable worlds. To help guide and inform the search for potentially habitable environments, we first cite the CHNOPS budget of various reservoirs on Earth, their role in our biosphere, and origins in the Solar Nebula. We then view how these elements occur in diverse astrophysical settings from dying stars to molecular clouds, protoplanets, and temperate rocky planets around main sequence stars. (Abstract excerpt)
Animate Cosmos > exoearths
Weiss, Lauren, et al.
Architectures of Compact Multi-planet Systems.
Seven astro-authorities contribute to this presentation to be made at the 2023 Protostars and Planets VII conference in Kyoto, Japan (see below). Some other coauthors are Fred C. Adams, Erik Petigura, and Konstantin Batygin. After a two year –demic hiatus, hopefully our EarthWise scientific endeavors to explore, quantify, describe and learn from this stellar spacescape.can proceed apace.
One of the most important developments in exoplanet science in the past decade is the discovery of multi-planet systems with sub-Neptune-sized planets. This chapter explores their architectures, which often display a high degree of uniformity of similar sizes, regular orbital spacing, low eccentricities, and small inclinations. We begin with a critical review and find that these peas-in-a-pod planetary systems may be a common outcome of planet formation processes. Stars form along with circumstellar disks with a tendency to produce these planetary systems. In summary, interesting observational and theoretical challenges remain in order to understand how these surprisingly organized planetary systems arise from the relative disorder of their formation processes. (Abstract excerpt)
Taking a step back, we can think of the striking uniformity found in compact multi-planet systems as an example of self organization. In general, any self-organizing system has a primary driving force that acts to create structure and some “counter-force” that acts as a stabilizing influence. In the present context, the peas-in-a-pod architecture typical of compact multis contains close planet masses and regular orbital spacing. With the peas-in-a-pod pattern becoming well-established, the future work needs to identify the driving forces and counter-forces that lead to such interesting planetary systems. (18)
Protostars & Planets VII, twice postponed, this meeting will take place in Kyoto on April 10th – 15th of 2023. This conference series has provided an important opportunity for scientists working on the formation of stars and planets. We would like to have a series of review talks summarizing the development in our field in recent years. The Protostars & Planets Series by the University of Arizona Press will then publish a chapter volume of papers.
Araujo, Nuno, et al..
Steering Self-Organization through Confinement.
This entry is a composite synopsis of a June 2021, Leiden University Lorentz Center workshop on the title topic, which can serve as an overview of the 21st century scientific revolution to date. Some 29 attendees from Europe and the USA included Liesbeth Janssen, Simon Garnier, and Audrey Dussutour. A novel agenda went on to consider how certain system boundaries can have a formative effect on this dynamic development process. As the quotes allude, from our late vantage, the broad field of complexity studies over 50 years (which this site seeks to report) can be seen as a singular, WorldWise revolutionary endeavor which is just coming a convergent, self-similar synthesis from uniVerse to wumanVerse.
In regard, at this consummate moment, the outlines of a general scenario that is much akin to life’s developmental genotype and phenotype basis can become quite evident. Physical models, for example, cite implicate/explicate and informative bit/it versions. Altogether the whole ecosmic genesis appears to be suffused by an independent, universally present, mathematic code-script which serves to engender and self-organize at each and every scale and beingness. As a consequence, astro biochemicals, evolutionary organisms, entities in groups, communicative mores, societal processes and all else arise, complexity, and quicken in an oriented fashion wherever they can. As life’s emergence thus goes forth, these myriad phenotypes come to exemplify the familial source in their complementary bigender, whole occasion. So into this fraught 2022 year, an epochal, once and future true universality can at last be affirmed.
Cosmic Code > nonlinear > Rosetta Cosmos
Self-organisation is the spontaneous emergence of spatio-temporal structures and patterns from the interaction of smaller individual units. Examples are found across many scales from physics, materials science and robotics to biology, geophysics and astronomy. Recent research has found that self-organisation is mediated and controlled by local boundaries which then steer the emergence or suppression of collective phenomena. Here we consider a common framework for future research and scientific challenges across disciplines. We hope this endeavor will advance deeper appreciations of natural self-organisation for novel material, biological and societal benefits. (Abstract excerpt)
From molecular aggregates to groups of animals and human crowds, from microswimmers to granular materials and robotic swarms, systems that self-organise can be found across a wide diversity of length and time scales. The dynamic concept arose in the later 20th century and defines the spontaneous emergence of large-scale collective structures and patterns from the interaction of many individual units, such as molecules, colloidal particles, cells, animals, robots, pedestrians or even astronomical objects. These units can be heterogeneous in size, shape, composition and function. (3-4)
We can thus define confinement in self-organisation as anything which causes units to localise to a region of space at a given time. The variety of self-organising systems influenced by confinement spans s wide range of length scales from active filaments driven by microscopic molecular motors enclosed within living cells, to the emergence of macroscopic coherent flow structures confined by Earth’s atmosphere, to the formation of entire galaxies under the pull of the gravitational potentials of black holes. While confinement is not always required for a system to self-organise , it can play a pivotal role as either a catalyst or inhibitor for self-organisation. (5)
In conclusion, steering self-organisation through confinement is a very active and rapidly evolving field of research, which is intrinsically multidisciplinary. To push the field forward, the scientific community working on self-organisation should increasingly take advantage of the cross-fertilisation of ideas that results from sharing hypotheses, theoretical approaches and experimental methods among experts from different fields and disciplines. This perspective article provides a first step in this direction. (11)
Souza, Barbara, et al.
Text Characterization Based on Recurrence Networks.
University of Sao Paulo and Indiana University systems linguists including Diego Amancio and Luciano da Costa, and in accord with his current work in 2022 Syntheses, find further ways that even written documents can be seen to deeply exhibit nature’s universal animate topologies over many general and specific aspects.
Many complex systems reveal intricate characteristics taking place at several scales of time and space. In particular, texts are distinguished by a hierarchical structure that can be studied by multi-scale concepts and methods. Effective approaches can emphasize words with more informational content. Here we advance this work with a focus on mesoscopic representations of networks. We extend this domain to textual narratives wherein recurrent relationships among parts of speech (subject, verb and direct object) form connections among sequential pieces (e.g., paragraphs). (Abstract excerpt)