Cosmology
50 articles
The Janus cosmological model proposes a revolutionary view of the universe with two types of matter with opposite masses. Discover Jean-Pierre Petit's work on dark matter, dark energy, and the large-scale structure of the cosmos.
Jean-Pierre Petit's site, astrophysicist
Jean-Pierre Petit's website presents his Janus cosmological model, calling the theory of black holes into question.
Jean-Pierre Petit's site, astrophysicist
Jean-Pierre Petit's website presents his Janus cosmological model, which calls the theory of black holes into question.
Jean-Pierre Petit Site News Microsoft Word - 2025-06-19-Rebuttal Damour eng.docx
The article criticizes the black hole model and presents mathematical and geometric errors.
Jean-Pierre Petit Site News
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.
Astrophysics and N-body systems
Astrophysics aims to understand cosmic phenomena at various scales, including the formation of the solar system and galactic dynamics.
Modèle Janus et débats scientifiques
L'auteur présente son modèle cosmologique Janus et exprime sa frustration face au manque de réaction de la communauté scientifique.
Ufology cosmology physics mhd
The document presents articles and videos on cosmology, notably the Janus cosmological model. It also covers topics related to UFOs and physics.
Janus Cosmological Model
Le texte présente des modèles cosmologiques récents, notamment un univers avec un temps inversé et des masses négatives.
COSMO17 Paris Conference Report
The COSMO17 conference took place in Paris in August 2017, organized by the APC laboratory. It brought together 193 participants from 24 countries.
Janus model observational confirmation
The article presents the Janus model, which explains the acceleration of cosmic expansion and the absence of primordial antimatter.
Report of the COSMO-17 international conference
The COSMO-17 international conference report took place in Paris in August 2017. It brought together 193 participants from 24 countries, mainly physicists and cosmologists.
Cosmological model for interstellar travel magnetohydrodynamic
Document dated January 22, 2018, regarding the JANUS cosmological model.
Anger is rising
The article discusses a suspicious conference claiming to be academic but appearing to be a scam.
Questionable black hole and twin universe
The article challenges the classical black hole model by reinterpreting Schwarzschild geometry.
Need help to fund video captioning
The author seeks to fund his participation in scientific conferences, particularly in cosmology, with a budget of 10,000 euros per year.
Anger is rising
The article talks about the difficulty of getting in contact with Etienne Klein, a specialist in cosmology.
Anger is rising
The article talks about the difficulty of contacting Etienne Klein, a cosmology expert.
April 2017 research on antimatter and scientific honesty
The article criticizes the conception of scientific honesty by Gabriel Chardin, Luc Blanchet, and Philippe Pajot, highlighting unsubstantiated claims.
JPP 2015 New Videos
The article presents the work of Jean-Pierre Petit and Gilles D'Agostini on alternative cosmological models, challenging cosmic inflation, dark matter, and dark energy.
twin universe astrophysics and cosmology
The text talks about a twin universe and the associated astrophysics.
twin universe astrophysics and cosmology
The text deals with the twin universe in astrophysics and cosmology, focusing on the Vlasov and Poisson equations.
spiral structure
The page discusses the spiral structure of a galaxy and its interaction with an anti-galaxy.
cosmology astrophysics twin universe
Presentation of the work published by J.P. Petit on cosmology and the variable speed of light.
twin universe cosmology
The article explores the variable constants model, developed from a theory of a twin universe.
twin universe cosmology
This text explores a cosmological model based on two universes, one ordinary and the other 'ghost', with opposite physical properties.
twin universe cosmology
The article explores a mathematical solution to describe stars with non-zero pressure, using field equations and the Schwarzschild metric.
twin universe cosmology
This work explores the cosmology of the twin universe, connecting theoretical approaches and astrophysical models.
twin universe cosmology
This document explores the cosmology of the twin universe by analyzing coupled Jeans equations.
f119 text on scientific publication and referees
The page presents letters of rejection of scientific articles, highlighting the difficulties researchers face in getting innovative ideas published.
Physical cosmology MHD twin universe
The text explores the possibilities of hypersonic flight using MHD disks, enabling quiet low-altitude flight.