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<p><strong>The Earth is a wonderful blue and green dot covered with oceans and life, while Venus is a yellowish sterile sphere that is not only inhospitable but also sterile. However, the difference between the two bears to only a few degrees in temperature. A team of astronomers from the University of Geneva (UNIGE), with the support of the CNRS laboratories of Paris and Bordeaux, has achieved a world&rsquo;s first by managing to simulate the entirety of the runaway greenhouse process which can transform the climate of a planet from idyllic and perfect for life, to a place more than harsh and hostile. The scientists have also demonstrated that from initial stages of the process, the atmospheric structure and cloud coverage undergo significant changes, leading to an almost-unstoppable and very complicated to reverse runaway greenhouse effect. On Earth, a global average temperature rise of just a few tens of degrees, subsequent to a slight rise of the Sun&rsquo;s lum

France generalLa sillaGuillaume chaverotMartin turbetDidier quelozUniversity of genevaMethod of researchUniversity of bernDepartment of astronomyUniversity of geneva astronomy departmentAstronomy departmentPlanets national centre of competenceUniverse centerMichel mayorVery large telescopePlanets national centre