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Arthur Conan Doyle's 1913 short story "The Horror of the Heights" featured an aviator breaking an altitude record who discovered an "air jungle" full of translucent animals resembling jellyfish and snakes. [2] In September 1936, Ramond Z. Gallum's short story "A Beast of the Void" envisioned creatures capable of interstellar travel.
The Rare Earth hypothesis maintains that life on Earth is possible because of a series of factors that range from the location in the galaxy and the configuration of the Solar System to local characteristics of the planet, and that it is unlikely that all such requirements are simultaneously met by another planet. The proponents of this ...
First referenced in a 1989 issue of The Physics Teacher. [9] It was apparently discovered by the fictional Thomas Kyle, who was awarded an Ig Nobel Prize for physics for his discovery, [ 10 ] and it is a parody on bureaucracy of scientific establishments and on descriptions of newly discovered chemical elements .
Planet V, a planet thought by John Chambers and Jack Lissauer to have once existed between Mars and the asteroid belt, based on computer simulations. Various planets beyond Neptune: Planet Nine, a planet proposed to explain apparent alignments in the orbits of a number of distant trans-Neptunian objects. Planet X, a hypothetical planet beyond ...
A speculative evolution project by Turkish artist C. M. Kosemen exploring the fictional planet of Snaiad and its lifeforms. Serina: A Natural History of the World of Birds. A speculative evolution project envisioning an alien planet in which all animals have descended from mundane and commonly-kept species, in particular the Common Canary.
The interdimensional hypothesis is a proposal that unidentified flying object (UFO) sightings are the result of experiencing other "dimensions" that coexist separately alongside our own [1] in contrast with either the extraterrestrial hypothesis that suggests UFO sightings are caused by visitations from outside the Earth or the psychosocial hypothesis that argues UFO sightings are best ...
The anthropic principle, also known as the observation selection effect, is the proposition that the range of possible observations that could be made about the universe is limited by the fact that observations are possible only in the type of universe that is capable of developing intelligent life.
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 ...