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[3] [9] [14] [15] A planet in the shape of a torus is the setting of Flint's 1921 short story "The Emancipatrix", being the result of the protoplanetary disk condensing so quickly that it did not coalesce into a spherical shape first; an artificial planet-sized torus also appears in John P. Boyd [Wikidata] 's 1981 short story "Moonbow", while ...
Schematic diagram of the orbits of the fictional planets Vulcan, Counter-Earth, and Phaëton in relation to the five innermost planets of the Solar System.. Fictional planets of the Solar System have been depicted since the 1700s—often but not always corresponding to hypothetical planets that have at one point or another been seriously proposed by real-world astronomers, though commonly ...
KOI-1686.01 was also considered a potentially habitable exoplanet after its detection in 2011, until proven a false positive by NASA in 2015. [91] Several other KOIs, like Kepler-577b and Kepler-1649b, were considered potentially habitable prior to confirmation, but with new data are no longer considered habitable.
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Official video game expansion of the 2012 sci-fi film "Iron Sky". Combines space combat simulation with strategy and RPG elements. [6] Kerbal Space Program: 2011 Squad Private Division Windows, Mac OS X, Linux, Xbox One Features Newtonian physics and patched conic approximation for orbits. It has received critical acclaim and many mods. [7 ...
The James Webb Space Telescope investigated a giant planet, K2-18b, that could be an ocean world, according to NASA. The exoplanet lies 120 light-years away from Earth.
Artist's impression of Kepler-62f orbiting the orange dwarf star Kepler-62.. A star's characteristics is a key consideration for planetary habitability. [6] The types of stars generally considered to be potential hosts for habitable worlds include F, G, K, and M-type main-sequence stars. [7]
The planet was often depicted as warmer than Earth but still habitable by humans. Depictions of Venus as a lush, verdant paradise, an oceanic planet, or fetid swampland, often inhabited by dinosaur-like beasts or other monsters, became common in early pulp science fiction, particularly between the 1930s and 1950s. Some other stories portrayed ...