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The science of extraterrestrial life is known as astrobiology. Speculation about the possibility of inhabited worlds beyond Earth dates back to antiquity. Early Christian writers discussed the idea of a "plurality of worlds" as proposed by earlier thinkers such as Democritus ; Augustine references Epicurus 's idea of innumerable worlds ...
In his 2019 book Identified Flying Objects and subsequent 2022 volume The Extratempestrial Model, Dr Masters explored more in depth various aspects of the time-traveler hypothesis, including fringe ancient astronauts theories and possible future development scenarios of human anatomy such as brain growth, craniofacial evolution, bipedalism ...
Biomimetics or biomimicry is the emulation of the models, systems, and elements of nature for the purpose of solving complex human problems. [ 2 ] [ 3 ] [ 4 ] The terms "biomimetics" and "biomimicry" are derived from Ancient Greek : βίος ( bios ), life, and μίμησις ( mīmēsis ), imitation, from μιμεῖσθαι ( mīmeisthai ...
The model of the celestial sphere works for distant stars, which seem to be at fixed locations in the sky to the naked eye, but the Sun and the Moon move at different speeds and the other classical planets follow complex paths and vary in their brightness. This was explained by adding other layers to the celestial sphere.
French ufologist Jacques Vallée used it in his 1966 book Challenge to science: the UFO enigma. It was used in a publication by French engineer Aimé Michel in 1967, [4] by James E. McDonald in a symposium in March 1968 [5] and again by McDonald and James Harder while testifying before the Congressional Committee on Science and Astronautics, in ...
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 ...
The Foundational Model of Anatomy Ontology (FMA) is a reference ontology for the domain of human anatomy. [1] It is a symbolic representation of the canonical, phenotypic structure of an organism; a spatial-structural ontology of anatomical entities and relations which form the physical organization of an organism at all salient levels of granularity.
The aquatic ape hypothesis (AAH), also referred to as aquatic ape theory (AAT) or the waterside hypothesis of human evolution, postulates that the ancestors of modern humans took a divergent evolutionary pathway from the other great apes by becoming adapted to a more aquatic habitat. [1]