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In the 1970s, the future of an expanding universe was studied by the astrophysicist Jamal Islam [ 12] and the physicist Freeman Dyson. [ 13] Then, in their 1999 book The Five Ages of the Universe, the astrophysicists Fred Adams and Gregory Laughlin divided the past and future history of an expanding universe into five eras.
The ultimate fate of the universe is a topic in physical cosmology, whose theoretical restrictions allow possible scenarios for the evolution and ultimate fate of the universe to be described and evaluated. Based on available observational evidence, deciding the fate and evolution of the universe has become a valid cosmological question, being ...
By this time, the universe will have expanded by a factor of approximately 10 2554. [131] 1.1–1.2×10 14 (110–120 trillion) The time by which all stars in the universe will have exhausted their fuel (the longest-lived stars, low-mass red dwarfs, have lifespans of roughly 10–20 trillion years). [9]
This is the end of the Universe in the Big Rip scenario, assuming a model of dark energy with w = −1.5. Observations of galaxy cluster speeds by the Chandra X-ray Observatory suggest that the true value of w is approximately −0.991, indicating the Big Rip would not occur. [215] 10 100: Various
Marina Machete Reis [1] ( Portuguese pronunciation: [mɐˈɾinɐ mɐˈʃetɨ]; born 1 October 1995) is a Portuguese model and beauty pageant titleholder who was crowned Miss Universe Portugal 2023. [2] She is the first Portuguese transgender woman to participate in the Miss Universe contest. She represented Portugal at the Miss Universe 2023 ...
University of Aveiro (includes polytechnic schools) University of Beira Interior. University of Coimbra. University of Évora (includes polytechnic schools) University of Lisbon. University of Madeira (includes polytechnic schools) University of Minho (includes polytechnic schools) NOVA University of Lisbon. University of Porto.
t. e. In physical cosmology, the Big Rip is a hypothetical cosmological model concerning the ultimate fate of the universe, in which the matter of the universe, from stars and galaxies to atoms and subatomic particles, and even spacetime itself, is progressively torn apart by the expansion of the universe at a certain time in the future, until ...
Dark matter (26.8%) Dark energy (68.3%) [ 6] The observable universe is a ball-shaped region of the universe consisting of all matter that can be observed from Earth or its space-based telescopes and exploratory probes at the present time; the electromagnetic radiation from these objects has had time to reach the Solar System and Earth since ...