Cosmologie Janus
259 page(s) rattachée(s) à ce thème
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Site Jean-Pierre Petit Nouveautes
13/01/2026
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Jean-Pierre Petit Site News
04/01/2026
The site presents the Janus Model, an alternative theory in cosmology and physics. It explores concepts such as special and general relativity, as well as astrophysical phenomena.
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Jeans instability and cosmological gravity
14/05/2024
Gravitational instability, or Jeans instability, is studied in the context of a sphere of dust with constant density.
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Astrophysics and N-body systems
14/05/2024
Astrophysics aims to understand cosmic phenomena at various scales, including the formation of the solar system and galactic dynamics.
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Epistémotron Tutorial: Scientific Discoveries Simulations
14/05/2024
The Epistémotron project is a tutorial designed to build an automatic scientific discovery generator.
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Inopportune intervention by Canadian Yan Bellavance
14/05/2024
Canadian Yan Bellavance launched a project called EPISTEMOTRON in 2004, aiming to develop ideas in astrophysics through distributed computing.
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Solar flare triggered by a comet
14/05/2024
The document mentions a solar eruption triggered by a comet passing near the Sun, captured by a coronagraph.
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Astrophysical simulation of interstellar gas
14/05/2024
An artifact is an accidental or artificial structure that appears during an experiment or observation. Numerical simulations constantly strive to avoid it.
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Ufology cosmology physics mhd
10/05/2021
The document presents articles and videos on cosmology, notably the Janus cosmological model. It also covers topics related to UFOs and physics.
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Jean-Pierre Petit Site New Releases
11/12/2020
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Janus model observational confirmation
05/08/2018
The article presents the Janus model, which explains the acceleration of cosmic expansion and the absence of primordial antimatter.
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Cosmological model for interstellar travel magnetohydrodynamic
26/01/2018
Document dated January 22, 2018, regarding the JANUS cosmological model.
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Anger is rising
26/10/2017
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Cosmology Questionable black hole. Jean-Pierre Petit Marseille Observatory,
07/10/2017
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COSMO17 Conference Paris Report
02/09/2017
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Anger rises
18/07/2017
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April 2017 research on antimatter and scientific honesty
04/04/2017
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Report of the 3rd Karl Schwarzschild Meeting
01/01/2017
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Report of the COSMO-17 international conference
01/01/2017
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a4129
26/09/2015
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a4126
26/09/2015
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a4131
26/09/2015
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a4130
26/09/2015
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a4128
26/09/2015
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a4127
26/09/2015
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26/09/2015
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a4123
26/09/2015
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a4120
26/09/2015
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a4113
26/09/2015
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a4112
26/09/2015
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a4111
26/09/2015
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Untitled document
07/01/2015
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spiral structure
10/06/2014
The page discusses the spiral structure in the context of astrophysics, particularly the dynamics of positive and negative matter clusters.
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spiral structure
09/05/2014
The article explores the spiral structure of galaxies using 2D simulations. Parameters such as the epicyclic frequency and mass ratio influence the formation of spiral arms.
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spiral structure
09/05/2014
The page discusses the spiral structure of a galaxy and its interaction with an anti-galaxy.
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spiral structure
09/05/2014
The article investigates the formation of spiral structures in galaxies through astrophysical simulations.
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spiral structure
09/05/2014
The article deals with the spiral structure and the distribution of positive and negative mass.
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spiral structure
09/05/2014
This 1994 work explores the spiral structure of galaxies and proposes a formation scenario based on phantom matter.
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twin universe astrophysics and cosmology
09/05/2014
The text talks about a twin universe and the associated astrophysics.
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spiral structure
09/05/2014
The text deals with the spiral structure in the context of astrophysics and dark matter.
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twin universe astrophysics and cosmology
09/05/2014
The text deals with the twin universe in astrophysics and cosmology, focusing on the Vlasov and Poisson equations.
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tspiral structure
09/05/2014
The text deals with the spiral structure in the context of astrophysics.
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twin universe cosmology
22/11/2013
This text explores a cosmological model based on two universes, one ordinary and the other 'ghost', with opposite physical properties.
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twin universe cosmology
22/11/2013
This work explores the cosmology of the twin universe, connecting theoretical approaches and astrophysical models.
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cosmology astrophysics twin universe
22/11/2013
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twin universe cosmology
22/11/2013
The article explores the variable constants model, developed from a theory of a twin universe.
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repulsive dark matter
22/11/2013
The article explores a theory of repulsive dark matter, which could explain astronomical observations without resorting to classical dark matter.
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twin universe cosmology
22/11/2013
The article explores a mathematical solution to describe stars with non-zero pressure, using field equations and the Schwarzschild metric.
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twin universe cosmology
22/11/2013
This document explores the cosmology of the twin universe by analyzing coupled Jeans equations.
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Untitled document
01/09/2013
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Gallery of Diverse Portraits
12/08/2013
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Physical cosmology MHD twin universe
31/05/2013
The text explores the possibilities of hypersonic flight using MHD disks, enabling quiet low-altitude flight.
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Non-equilibrium worlds (physics)
09/02/2013
The text explains the concept of thermodynamic equilibrium, illustrated by air molecules moving randomly but maintaining statistical stability.
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Chronicle on polygamy and the niqab
08/02/2013
The article addresses the case of a veiled woman who was fined, highlighting social and religious issues.
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Untitled document
11/03/2012
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Physical astrophysics gravity
26/11/2010
This document refers to a scientific publication on scale-invariant cosmology.
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Twenty-two years later
06/10/2010
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La dernière page du Geometricon
04/05/2010
Le texte critique la cosmologie et sa tendance à se baser sur des croyances organisées plutôt que sur des faits incontestables.
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Georges Courtes, academicien, temoin d'ovni
04/05/2010
Georges Courtes est un académicien et astronome français ayant observé un ovni dans les années soixante-dix.
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SL9 Schumaker Levy impact on Jupiter
04/05/2010
The SL9 object, detected in 1993, was described as a fragmented comet that impacted Jupiter in 1994.
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Schumaker Levy SL9 impacts on Jupiter
04/05/2010
The article analyzes the impacts of comet Shoemaker-Levy 9 on Jupiter, focusing on observations and scientific conclusions.
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The Time of Cowardice
03/02/2009
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cosmology astrophysics twin universe
07/02/2008
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The solar system structured by the golden ratio. Souriau's Golden Law
04/01/2008
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Recent publications in mathematical physics
02/12/2007
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twin cosmology
01/12/2007
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You can find this in my free-to-download comic book Cosmic Story at:
31/10/2007
The article discusses a conversation with Buddhists about the teachings of lamas and reincarnation.
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Here, the figure has been lightened a little to make it more readable. A
18/09/2007
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But there are surfaces that are intrinsically singular, possessing
18/09/2007
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f705
22/06/2007
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f704
22/06/2007
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f703
22/06/2007
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twin universes against dark matter dark matter and cosmological constant
24/05/2007
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Twin universes against dark matter, dark matter, dark energy and cosmological constant
24/05/2007
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Twin universes against dark matter, dark matter, dark energy and cosmological constant
23/05/2007
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Cosmologie galaxie physique astrophysique
15/04/2007
The site mentions research on the spiral structure of galaxies, related to the interaction between our universe and its twin.
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The strongest solar flare recorded to date
15/04/2007
The page talks about the strongest solar flare ever recorded, with a reference to solar activity on September 16, 2005.
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Cosmologie et théorie des univers jumeaux
19/03/2007
L'article réagit aux critiques d'Alain Riazuelo sur la théorie des univers jumeaux de Jean-Pierre Petit.
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antimatter geometrisation action coasdjointe moment universe twins twin universe
19/03/2007
The document deals with the geometrization of antimatter and the coasjoint action in a twin universe.
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Portrait of André Lichnerowicz
22/01/2007
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f103
22/01/2007
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twin universe cosmology
22/01/2007
The cosmology of the twin universe explores the problem of the origin of the universe and the homogeneity of the primitive universe.
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f123
22/01/2007
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twin universe cosmology
22/01/2007
The cosmology of the twin universe explores the origin and evolution of the universe.
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twin universe cosmology
22/01/2007
The cosmology of the twin universe explores the properties of the universe through varying scales of time and space.
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F4100 F4125 symmetries and antimatter
22/01/2007
The article explores the differences between matter and antimatter, particularly regarding symmetries such as Z-symmetry and PT-symmetry.
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Twin group and movements in two universes
22/01/2007
The text presents the 'second group of Petit' or 'geminal group', describing a space composed of two universes.
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Symmetries and antimatter in the ghost universe
22/01/2007
The article explores the properties of matter in the second universe, which is C-symmetric, enantiomorphic, and retrochronic T-symmetric.
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Particles and antiparticles of universes +1 and -1
22/01/2007
The content of two universes is summarized in tables.
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f4201
22/01/2007
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22/01/2007
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22/01/2007
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22/01/2007
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22/01/2007
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a702
22/01/2007
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a703
22/01/2007
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Hubert Reeves scientist and popularizer
22/01/2007
Hubert Reeves is a renowned astrophysicist known for his lectures and scientific popularization.
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f122
22/01/2007
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twin universe cosmology
22/01/2007
The text presents a cosmological model based on a twin universe, where coupled field equations are analyzed during the radiation era.
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Universe and evolution of physical constants
22/01/2007
The document presents a model of a twin universe, where physical constants vary over time and influence the evolution of the universe.
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Gravitational neutron universe
22/01/2007
The text explains how two neutron stars can merge, creating a violent process that produces gravitational waves and gamma bursts. This phenomenon could involve a
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Quasar universe gravitational twin space
22/01/2007
The document explores the possible interaction between our universe and a twin universe, called 'twin space'. It suggests that physical constants and distances can vary in these two universes.
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Physical universe cosmos theory twin universe
22/01/2007
The text explores the limits of current physics and proposes an alternative vision of the universe.
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Poincaré's physique antimatter cosmology
22/01/2007
The text explores the actions of the Poincaré group on spacetime and physical moments, distinguishing its different components.
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twin universe cosmology
22/01/2007
The article explores a cosmology based on two conjugate universes, with exact solutions for stable metrics.
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twin universe cosmology
22/01/2007
The cosmology of the twin universe explores exact solutions of Schwarzschild metrics and their dynamics.
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twin universe cosmology
22/01/2007
The page explores the cosmology of the twin universe and ghost matter in astrophysics.
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twin universe cosmology
22/01/2007
The cosmology of twin universes explores conjugate stationary state metrics.
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twin universe cosmology
22/01/2007
The cosmology of the twin universe explores conjugated status quo metrics and exact solutions in astrophysics.
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twin universe cosmology
22/01/2007
This text deals with the cosmology of the twin universe, exploring conjugated stable metrics.
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twin universe cosmology
22/01/2007
The page explores the cosmology of the twin universe, focusing on the exact solutions of the conjugate stationary metric.
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twin universe cosmology
22/01/2007
This text explores the twin universe model, based on two field equations and a Newtonian approach.
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twin universe cosmology
22/01/2007
The article explores the cosmology of twin universes, where two universes evolve in a coupled manner, one composed of ordinary matter and the other of phantom matter.
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twin universe cosmology
22/01/2007
The article explores the cosmology of twin universes, focusing on the geometric framework and the Newtonian approximation.
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twin universe cosmology
22/01/2007
This text deals with the cosmology of the twin universe, focusing on the geometric framework and the Newtonian approximation.
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repulsive dark matter
22/01/2007
The text proposes an alternative interpretation of strong gravitational lensing effects, suggesting that repulsive dark matter could explain these phenomena.
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repulsive dark matter
22/01/2007
The text presents a repulsive dark matter model, which influences the evolution of the universe.
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repulsive dark matter
22/01/2007
The article explores the concept of repulsive dark matter and its impact on galaxy rotation.
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cosmology universe
22/01/2007
The article deals with theoretical cosmology and possible variations of physical constants, such as the speed of light.
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Confinement of spheroidal galaxies by phantom matter
22/01/2007
The text explores the concept of phantom matter and its role in the confinement of spherical galaxies.
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twin universe twin cosmology
22/01/2007
The article explores the concept of a twin universe and cosmological twins, in relation to dark matter.
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twin universe cosmology
22/01/2007
The article explores the cosmology of the twin universe, focusing on the matter-dominated era and the ghost matter era.
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f121
22/01/2007
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f120
22/01/2007
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f118
22/01/2007
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twin universe cosmology
22/01/2007
This document explores the cosmology of the twin universe, focusing on dark matter and its gravitational effects.
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f117
22/01/2007
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mysterious archaeology, recent discovery, Etruscan civilization dating from 7000 years ago
22/01/2007
The page mentions a recent discovery of an ancient European civilization dating back 7,000 years, challenging current knowledge in archaeology.
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In China, foxes are skinned alive. The ultimate cruelty towards animals.
22/01/2007
The article denounces animal cruelty in China, particularly the practice of skinning foxes alive.
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Spherical galaxy confinement by dark matter
22/01/2007
The article explores the physics of phantom matter and its role in the confinement of spheroidal galaxies.
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f116
22/01/2007
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The universe cosmology antimatter symmetry
22/01/2007
The article discusses the connections between the works of Jean-Pierre Petit and those of Gabriel Chardin and Marc Déjardin on parallel universes and CPT symmetry.
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We lost half of the universe
22/01/2007
L'auteur présente un modèle cosmologique basé sur l'idée d'univers jumeaux, où la matière sombre serait en fait de la matière gémellaire dans un univers parallèle.
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22/01/2007
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22/01/2007
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22/01/2007
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a207
22/01/2007
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a206
22/01/2007
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f106
22/01/2007
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f104
22/01/2007
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twin universe astrophysics and cosmology
22/01/2007
The text explores the concept of twin universes and the formation of galaxies through 2D numerical simulations.
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f101
22/01/2007
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Untitled document
22/01/2007
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a126
22/01/2007
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twin universe cosmology
22/01/2007
The article explores a twin universe cosmological model, highlighting phantom matter and its effects on galaxy formation.
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a125
22/01/2007
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twin universe astrophysics and cosmology
22/01/2007
The text explores the concept of a twin universe in astrophysics and cosmology, focusing on 2D numerical simulations.
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twin universe astrophysics and cosmology
22/01/2007
The article explores 2D numerical simulations of galaxy formation and Jeans instability on a sphere.
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a124
22/01/2007
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a205
22/01/2007
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a123
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22/01/2007
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a114
22/01/2007
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a113
22/01/2007
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groups and physics coadjoint action momentum
22/01/2007
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twin universe cosmology
22/01/2007
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twin universe cosmology
22/01/2007
The cosmology of the twin universe explores the origin of the universe and the homogeneity of the early universe.
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missing mass cosmology universe twins
22/01/2007
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Missing mass cosmology universe twins
22/01/2007
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missing mass cosmology universe twins
22/01/2007
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double universe cosmology missing mass
22/01/2007
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twin universe missing mass cosmology
22/01/2007
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variable speed of light
22/01/2007
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cosmological model with variable speed of light
22/01/2007
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a111
22/01/2007
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twin universe cosmology
22/01/2007
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twin universe cosmology
22/01/2007
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twin universe cosmology
22/01/2007
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twin universe cosmology
22/01/2007
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twin universe cosmology
22/01/2007
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twin universe cosmology
22/01/2007
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twin universe cosmology
22/01/2007
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twin universe cosmology
22/01/2007
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a109
22/01/2007
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twin universe cosmology
22/01/2007
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F3212
22/01/2007
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f3213
22/01/2007
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f3214
22/01/2007
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a107
22/01/2007
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a106
22/01/2007
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groups and physics coadjoint action momentum
22/01/2007
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a105
22/01/2007
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groups and physics coadjoint action momentum
22/01/2007
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f4122
22/01/2007
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22/01/2007
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f4503
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22/01/2007
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f4505
22/01/2007
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a202
22/01/2007
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2D numerical simulations of dark matter and galaxy formation
22/01/2007
The article presents 2D numerical simulations in astrophysics, exploring galaxy formation.
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twin universe astrophysics and cosmology
22/01/2007
The article presents 2D numerical simulations of the effect of matter and dark matter on galaxy formation.
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twin universe astrophysics and cosmology
22/01/2007
The text presents 2D numerical simulations on galaxy formation and the existence of stable dark matter structures.
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Untitled document
22/01/2007
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a103
22/01/2007
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a201
22/01/2007
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a101
22/01/2007
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twin universe astrophysics and cosmology
22/01/2007
The text presents an alternative model for galaxy formation based on phantom matter and its gravitational effects.
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twin universe astrophysics and cosmology
22/01/2007
The article explores the concept of twin universes in astrophysics and cosmology, focusing on matter and ghost matter.
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twin universe astrophysics and cosmology
22/01/2007
The text presents 2D numerical simulations on galaxy formation.
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Astrophysics, dark matter, and cosmology
22/01/2007
The document addresses a dark and complex astrophysical reality.
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Presentation of the article Questionable black hole French translation: D
21/01/2007
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3) Geodesics in an [r, j] representation. Introducing (6) into (14), with dr
21/01/2007
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17) Suggestions for hyperspatial transfer models. Soft scenario: Assume a
21/01/2007
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But there do exist surfaces that are intrinsically singular, possessing singularit
21/01/2007
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We've cleaned up the figure here to make it a little more legible. A surf
21/01/2007
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PQ4
21/01/2007
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Bibliography works by J.P. PETIT (very incomplete)
21/01/2007
Incomplete bibliography of the works of J.P. Petit, including publications on MHD converters and cosmological models.
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13) Isometry groups. Let a be a 3D rotation matrix. Write: (78) The SO3 x R
21/01/2007
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6) The choice of a time marker. In the [ t , r , q , j ] coordinates, corr
21/01/2007
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Twin universe model and negative energy particles
02/11/2006
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Open letters on astrophysics
12/10/2006
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Clarifications on the Z-machine
20/06/2006
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J.P. Petit's lecture on the geometry of the universe
22/03/2006
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Untitled document
11/02/2006
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Impact of the Deep Impact probe on comet Tempel 1
31/08/2005
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twin universe
13/06/2005
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twin universes cosmological twin
13/06/2005
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twin universe geminate cosmology
13/06/2005
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twin universe geminate cosmology
13/06/2005
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twin universes cosmology gemellaire
13/06/2005
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twin universes
13/06/2005
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twin universe
13/06/2005
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twin universe geminate cosmology
13/06/2005
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CNRS opinion on researcher Jean-Pierre Petit
08/03/2005
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Sphere eversion and permutation of cusp points
08/12/2004
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summary introduction to the theory of twin universes
11/05/2004
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Jean-Pierre Petit's website, astrophysicist
25/04/2004
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Work by Frédéric Baudemont, astrophysicist, west of the Pecos
10/04/2004
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Untitled document
12/12/2001
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dark matter dark energy
29/06/2001
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Untitled document
14/06/2001
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Why is the temperature of the solar corona so high?
12/01/2001
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twin universe against dark matter and dark energy
01/01/2001
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Untitled document
06/11/2000
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Untitled document
18/05/2000
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Untitled document
17/03/2000
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Untitled document
17/03/2000
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Twin universes against dark matter, dark energy, and cosmological constant
01/01/1999
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f3216
11/03/1998
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f3215
12/01/1998
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Untitled document
31/03/1997
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Twin Universes cosmology
01/01/1995
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new cement cosmology universe twins
01/01/1994
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missing astrophysical mass
01/01/1994
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Science Site Summary
01/01/0001
Page gathering various scientific articles, notably on cosmology and astrophysics.