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  2. 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 ...

  3. Phrases from The Hitchhiker's Guide to the Galaxy - Wikipedia

    en.wikipedia.org/wiki/Phrases_from_The_Hitchhiker...

    The Answer to the Ultimate Question of Life, The Universe, and Everything. In the radio series and the first novel, a group of hyper-intelligent pan-dimensional beings demand to learn the Answer to the Ultimate Question of Life, The Universe, and Everything from the supercomputer Deep Thought, specially built for this purpose.

  4. Boltzmann brain - Wikipedia

    en.wikipedia.org/wiki/Boltzmann_brain

    Boltzmann argues that, while most of the universe is featureless, humans do not see those regions because they are devoid of intelligent life; to Boltzmann, it is unremarkable that humanity views solely the interior of its Boltzmann universe, as that is the only place where intelligent life lives.

  5. The answer to why we seem to be alone in the universe might ...

    www.aol.com/answer-why-seem-alone-universe...

    The reason we seem to be alone in the universe might be right beneath your feet, scientists have suggested. For years, scientists have been perplexed by the fact that we have not found any other ...

  6. Ultimate fate of the universe - Wikipedia

    en.wikipedia.org/wiki/Ultimate_fate_of_the_universe

    These three adjectives refer to the overall geometry of the universe, and not to the local curving of spacetime caused by smaller clumps of mass (for example, galaxies and stars). If the primary content of the universe is inert matter, as in the dust models popular for much of the 20th century, there is a particular fate corresponding to each ...

  7. The First Three Minutes - Wikipedia

    en.wikipedia.org/wiki/The_First_Three_Minutes

    The First Three Minutes attempts to explain the early stages of the universe after the Big Bang.Weinberg begins by recounting a creation myth from the Younger Edda and goes on to explain how, in the first half of the twentieth century, cosmologists have come to know something of the real history of the universe.

  8. Big Bounce - Wikipedia

    en.wikipedia.org/wiki/Big_Bounce

    The theory explains that the universe will expand until all matter decays and ultimately turns to light. Since nothing in the universe would have any time or distance scale associated with it, the universe becomes identical with the Big Bang, resulting in a type of Big Crunch that becomes the next Big Bang, thus perpetuating the next cycle. [21]

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