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  2. Drake equation - Wikipedia

    en.wikipedia.org/wiki/Drake_equation

    Others point out that the equation was formulated before our understanding of the universe had matured. Astrophysicist Ethan Siegel, said: The Drake equation, when it was put forth, made an assumption about the Universe that we now know is untrue: It assumed that the Universe was eternal and static in time.

  3. Anthropic principle - Wikipedia

    en.wikipedia.org/wiki/Anthropic_principle

    The absurd universe: Our universe just happens to be the way it is. The unique universe: There is a deep underlying unity in physics that necessitates the Universe being the way it is. A Theory of Everything will explain why the various features of the Universe must have exactly the values that have been recorded.

  4. Boltzmann brain - Wikipedia

    en.wikipedia.org/wiki/Boltzmann_brain

    In this scenario, the universe spends the vast majority of eternity in a featureless state of heat death; however, over enough eons, eventually a very rare thermal fluctuation will occur where atoms bounce off each other in exactly such a way as to form a substructure equivalent to our entire observable universe. Boltzmann argues that, while ...

  5. The universe could undergo a 'catastrophic change' that could ...

    www.aol.com/universe-could-undergo-catastrophic...

    The groundbreaking simulation allowed scientists to better understand a phenomenon that could entirely change the structure of the universe – and about which little is still known

  6. Rare Earth hypothesis - Wikipedia

    en.wikipedia.org/wiki/Rare_Earth_hypothesis

    The Rare Earth hypothesis argues that planets with complex life, like Earth, are exceptionally rare.. In planetary astronomy and astrobiology, the Rare Earth hypothesis argues that the origin of life and the evolution of biological complexity, such as sexually reproducing, multicellular organisms on Earth, and subsequently human intelligence, required an improbable combination of astrophysical ...

  7. There is something unexpected happening in the universe ... - AOL

    www.aol.com/news/something-unexpected-happening...

    “The discrepancy between the observed expansion rate of the universe and the predictions of the standard model suggests that our understanding of the universe may be incomplete,” said Adam ...

  8. Lambda-CDM model - Wikipedia

    en.wikipedia.org/wiki/Lambda-CDM_model

    The fraction of the total energy density of our (flat or almost flat) universe that is dark energy, , is estimated to be 0.669 ± 0.038 based on the 2018 Dark Energy Survey results using Type Ia supernovae [7] or 0.6847 ± 0.0073 based on the 2018 release of Planck satellite data, or more than 68.3% (2018 estimate) of the mass–energy density ...

  9. Book Review: 'The Warped Side of Our Universe' a novel look ...

    www.aol.com/entertainment/book-review-warped...

    Black holes, wormholes and other mysteries of the universe are so firmly embedded in popular culture — from Carl Sagan's “Contact” to Christopher Nolan's “Interstellar” — that readers ...