Stars and planetary systems in fiction

Stars outside of the Solar System and their planets have been featured as settings in works of fiction since at least the 1854 novel Star ou Psi de Cassiopée (English title: Star: Psi Cassiopeia) by C. I. Defontenay, which depicts aliens living in the planetary system around Psi Cassiopeiae. Most of these fictional stars and planets do not vary significantly from the Sun and Earth, respectively. Exceptions include anthropomorphized stars and planets with sentience, planets without stars, and planets in multiple-star systems where the orbital mechanics can lead to exotic day–night or seasonal cycles. Besides systems of fictional stars, several real ones have also made appearances in fiction, with the nearest one—Alpha Centauri—receiving particular attention.

## Stars[edit]

See also: Black holes in fiction and Supernovae in fiction

For the most part, stars in fiction vary only in size and colour. Exceptions to this are rare and appear comparatively lately in the history of science fiction.[1] A toroidal star is featured in Donald Malcolm's 1964 short story "Beyond the Reach of Storms".[1][2] Sentient stars are depicted in Olaf Stapledon's 1937 novel Star Maker among others.[1][3][4] A handful of works depict lifeforms on or even inside of stars, such as the 1980 novel Dragon's Egg by Robert L. Forward and the 1993 novel Flux by Stephen Baxter, respectively; in both of these stories, the stars in question are neutron stars.[3][5] Some stories including Bob Shaw's 1975 novel Orbitsville depict stars being enclosed by Dyson spheres.[3]

## Planets[edit]

Most extrasolar planets in fiction are similar to Earth—referred to in the Star Trek franchise as Class M planets—though there are several exceptions.[6]

### Exotic shapes[edit]

Various exotic planetary shapes appear in fiction.[7] In Hal Clement's 1953 novel Mission of Gravity, the planet Mesklin's rapid rotation causes it to be shaped roughly like a flat disk and gravity is consequently about 200 times weaker at the equator than it is at the poles.[6][7][8] Another disk-shaped planet is the Discworld of Terry Pratchett's 1983–2015 book series of that name, a flat world which is carried on the backs of elephants that are in turn carried on the back of a turtle, with the arrangement orbited by the world's sun.[6][9] Bizarro World in the Superman franchise is a cubic planet, rendered that shape by the actions of Superman.[6][7] Earth itself gets turned into a cube in Henry H. Gross's 1987 short story "Cubeworld", and an altogether artificial planet-sized cube is the setting of G. David Nordley's 2009 novel To Climb a Flat Mountain.[7] Double planets close enough together to share an atmosphere through their Roche lobes appear in Homer Eon Flint's 1921 short story "The Devolutionist", the 1982 novel Rocheworld by Robert L. Forward, and Charles Sheffield's 1990 novel Summertide.[7][10][11] 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 Larry Niven wrote of a much larger toroidal megastructure in space in the 1970 novel Ringworld and a much smaller one in the 1973 novel Protector.[7] Arthur C. Clarke's 1949 short story "The Wall of Darkness" is set on a planet bounded by a wall in the shape of an Alice handle, a three-dimensional equivalent of a Möbius strip.[6][12]

### In multiple star systems[edit]

Schematic diagram of the orbits in a binary star system. One planet is in a P-type, or circumbinary, orbit around both stars. Another planet is in an S-type, or circumstellar, orbit around only one of the two stars. Circumbinary planets are sometimes nicknamed "Tatooine worlds" after the Star Wars planet.[13]

Planets in multiple star systems have attracted attention from science fiction writers, especially in terms of what kind of life would exist on planets with more than one sun and how history might be cyclical as a result of the "long year" that occurs if the orbital period around one of the stars is very lengthy.[10][14][15] A particularly early example of this is the 1854 novel Star ou Psi de Cassiopée (English title: Star: Psi Cassiopeia) by C. I. Defontenay,[10] described by science fiction editor David Pringle as "the first detailed evocation of an alien solar system",[16] which depicts various alien species inhabiting the planets orbiting the stars.[10][17][18][19] Isaac Asimov's 1941 short story "Nightfall" portrays a planet which is in constant daylight from at least one of its six suns for millennia at a time before a single night of true darkness, which is a much-anticipated event,[5][14][20] and Mark Hodder's 2012 novel A Red Sun Also Rises is set on a planet where a dim red sun rises at the same time as the planet's twin white suns set.[14] Hal Clement's 1957 novel Cycle of Fire depicts a planet in a binary star system where the seasons last for decades and different species dominate the hot and cold parts of the year,[6][10][15] Poul Anderson's 1974 novel Fire Time portrays a planet where the majority of the surface becomes uninhabitable approximately once a millennium when it makes a close approach to one of its stars and mass migration of the native lifeforms ensues,[14] and Brian Aldiss' 1982–1985 Helliconia trilogy is set on a planet where the orbital mechanics lead to century-long seasons and there are two distinct ecosystems—one adapted to the short period around the closer star and another adapted to the long year around the more distant one.[6][11][14][15][21] The 1985 anthology Medea: Harlan's World is a collaborative effort between Harlan Ellison and several other science fiction writers consisting of several stories set on the same planet in such a system.[6][10] The 2002 television series Firefly is set in a system of five stars each orbited by its own planetary system, all close enough to each other to permit easy travel between the worlds.[14]

### Physical environment[edit]

Portraying planets with conditions that differ significantly from Earth's in terms of physical environment has been a recurring practice since the middle of the 1900s.[11] Many of these stories imagine how indigenous lifeforms might be adapted to those conditions.[22][23] The high gravity of Mesklin in Clement's Mission of Gravity thus results in its inhabitants having a centipede-like body structure,[6][7][23][24] while the low gravity yet dense atmosphere in Poul Anderson's 1958 novel War of the Wing-Men makes it possible for humanoid creatures to fly using their own wings.[6][11][23] Desert planets are common; astrophysicist Elizabeth Stanway posits that this is because the setting strikes the right balance between novelty and familiarity to most audiences, in addition to the relative inhospitality providing a survival aspect to the narrative.[25] One of the most prominent examples thereof is Arrakis in Frank Herbert's 1965 novel Dune, where the extreme scarcity of water influences all aspects of the planet's ecology and society.[6][11][24][25][26] Less extreme desert conditions are found on the Star Wars planet Tatooine, with more plentiful and varied lifeforms as a result.[25] At the other end of the spectrum are planets covered entirely by water, an early example of which appears in the 1933 short story "Into the Hydrosphere" by Neil R. Jones.[10][23] Joan Slonczewski's 1986 novel A Door into Ocean is a piece of feminist science fiction set on an ocean world with an all-female population,[6][11] while the 1969 novel The Left Hand of Darkness by Ursula K. Le Guin is set on a frigid world of perpetual winter where the inhabitants do not have a fixed sex.[26][27] One of the planets in the 2014 film Interstellar is covered by a shallow ocean and orbits so closely around a black hole that there are both tidal waves the height of mountains and extreme time dilation.[27]

### Other[edit]

Other types of planets in fiction include starless ones as in the 1934 short story "The Sunless World" by Neil R. Jones and the 1977 novel Dying of the Light by George R. R. Martin,[10][28] and sentient ones as in the 1961 novel Solaris by Stanisław Lem and its 1972 and 2002 film adaptations.[4][6][29] Sentient planets are relatively rarely portrayed in fiction when compared to sentient stars, but the related concept of an entire planetary ecosphere as a single organism—known as the Gaia hypothesis—is not uncommon; one such example is found in Isaac Asimov's 1982 novel Foundation's Edge.[4][30] Science fiction writers sometimes use exobiology as a form of worldbuilding, describing alien ecosystems and how humans do or do not fit into them; the desert planet Arrakis in Frank Herbert's 1965 novel Dune is a particularly detailed example thereof.[6][22]

## Planetary systems of real stars[edit]

### Alpha Centauri[edit]

The Alpha Centauri system is the closest star system to Earth—with Proxima Centauri being the closest of the system's stars—which has given it a special position in science fiction literature. Several stories of the first interstellar journeys have featured it as the intended destination. Among the earliest examples are the 1931 short story "Across the Void" by Leslie F. Stone and the 1935 short story "Proxima Centauri" by Murray Leinster.[1][31] The spacecraft in the latter reaches its destination in less than a decade but has the capacity to function as a generation starship if needed; the use of an actual generation starship headed for the system was later depicted in the 1944 novel Far Centaurus by A. E. van Vogt,[32][33] and the 1997 novel Alpha Centauri by William Barton and Michael Capobianco portrays such a mission being endangered by terrorists.[1][34]

### Tau Ceti[edit]

The Tau Ceti system is a common setting in science fiction.[35][36] James Nicoll, writing for Tor.com, attributes this to a confluence of factors that make it the nearest star (at approximately 12 light-years) that could plausibly have a planetary system with habitable planets, including having a favourable brightness and being a solitary rather than multiple star.[36] In 2015, Andrew Liptak [Wikidata] interviewed several authors about why they used Tau Ceti for their stories; in addition to the star's relative proximity to Earth, Ursula K. Le Guin (who wrote The Dispossessed, 1974) and Larry Niven (The Legacy of Heorot, 1987, with Jerry Pournelle and Steven Barnes) cited the star's similarity to the Sun, while Kim Stanley Robinson (Aurora, 2015) pointed to the recent discovery of several exoplanets around Tau Ceti.[35]

## See also[edit]

Clicking on a planet leads to the article about its depiction in fiction.

* Sun in fiction
* Fictional planets of the Solar System
* List of planets in science fiction

## References[edit]

1. ^ a b c d e Stableford, Brian (2006). "Star". Science Fact and Science Fiction: An Encyclopedia. Taylor & Francis. pp. 500–502. ISBN 978-0-415-97460-8.
2. ^ Stableford, Brian; Langford, David (2021). "Stars". In Clute, John; Langford, David; Sleight, Graham (eds.). The Encyclopedia of Science Fiction (4th ed.). Retrieved 2021-11-22.
3. ^ a b c Westfahl, Gary (2021). "Stars". Science Fiction Literature through History: An Encyclopedia. ABC-CLIO. p. 603\. ISBN 978-1-4408-6617-3.
4. ^ a b c Stableford, Brian; Langford, David (2022). "Living Worlds". In Clute, John; Langford, David; Sleight, Graham (eds.). The Encyclopedia of Science Fiction (4th ed.). Retrieved 2024-04-14.
5. ^ a b McKinney, Richard L. (2005). "Stars". In Westfahl, Gary (ed.). The Greenwood Encyclopedia of Science Fiction and Fantasy: Themes, Works, and Wonders. Greenwood Publishing Group. pp. 751–753. ISBN 978-0-313-32952-4.
6. ^ a b c d e f g h i j k l m n Westfahl, Gary (2021). "Alien Worlds". Science Fiction Literature through History: An Encyclopedia. ABC-CLIO. pp. 107–110. ISBN 978-1-4408-6617-3.
7. ^ a b c d e f g Stanway, Elizabeth (2024-03-11). "Peculiar Planets". Warwick University. Cosmic Stories Blog. Archived from the original on 2024-03-25. Retrieved 2024-04-16.
8. ^ Clute, John; Langford, David (2023). "Clement, Hal". In Clute, John; Langford, David; Sleight, Graham (eds.). The Encyclopedia of Science Fiction (4th ed.). Retrieved 2024-04-14.
9. ^ Langford, David (2015). "Discworld [series]". In Clute, John; Langford, David; Sleight, Graham (eds.). The Encyclopedia of Science Fiction (4th ed.). Retrieved 2021-11-29.
10. ^ a b c d e f g h Stableford, Brian (2006). "Planet". Science Fact and Science Fiction: An Encyclopedia. Taylor & Francis. pp. 374–376. ISBN 978-0-415-97460-8.
11. ^ a b c d e f Gillett, Stephen L. (2005). "Alien Worlds". In Westfahl, Gary (ed.). The Greenwood Encyclopedia of Science Fiction and Fantasy: Themes, Works, and Wonders. Greenwood Publishing Group. pp. 12–14. ISBN 978-0-313-32951-7.
12. ^ Westfahl, Gary (2018). "Alien Encounters". Arthur C. Clarke. Modern Masters of Science Fiction. Urbana: University of Illinois Press. p. 95\. ISBN 978-0-252-04193-8.
13. ^

* Kaufman, Mark (2020-01-15). "Tatooine Worlds". Astrobiology at NASA: Life in the Universe. Archived from the original on 2023-08-11. Retrieved 2021-12-03.
* Sutter, Paul (2020-03-16). "How common are Tatooine worlds?". Space.com. Archived from the original on 2023-12-08. Retrieved 2024-04-22.
* Baker, Harry (2023-06-13). "Astronomers discover 2nd-ever 'Tatooine' star system with multiple planets orbiting multiple suns". Live Science. Archived from the original on 2023-12-07. Retrieved 2024-04-22.

14. ^ a b c d e f Stanway, Elizabeth (2021-09-19). "All the Suns in the Sky". Warwick University. Cosmic Stories Blog. Archived from the original on 2023-05-31. Retrieved 2024-04-20.
15. ^ a b c Langford, David (2023). "Great Year". In Clute, John; Langford, David; Sleight, Graham (eds.). The Encyclopedia of Science Fiction (4th ed.). Retrieved 2024-04-14.
16. ^ Pringle, David, ed. (1996). "SF in the 18th Century". The Ultimate Encyclopedia of Science Fiction: The Definitive Illustrated Guide. Carlton. p. 16\. ISBN 1-85868-188-X. OCLC 38373691.
17. ^ Marcovitz, Hal (2011). "Chapter One: The Aliens Arrive". Aliens in Pop Culture. Extraterrestrial Life. Capstone. pp. 11–12. ISBN 978-1-60152-365-5.
18. ^ Clute, John; Peter, Nicholls (2022). "Defontenay, C I". In Clute, John; Langford, David; Sleight, Graham (eds.). The Encyclopedia of Science Fiction (4th ed.). Retrieved 2024-04-15.
19. ^ Stableford, Brian (2004) [1976]. "Star (Psi Cassiopeia)". In Barron, Neil (ed.). Anatomy of Wonder: A Critical Guide to Science Fiction (5th ed.). Westport, Connecticut: Libraries unlimited. p. 179\. ISBN 978-1-59158-171-0. "A pioneering account of life in the vicinity of Star, a world in a solar system that has three principal suns and a miniature sun that orbits Star along with four satellite planets. The multicolored light from these various sources has kaleidoscopic effects on the surface of Star, which is inhabited by variously sized humanoids whose history—involving forced migrations to its inhabited neighbors—is elaborately described."
20. ^ Clute, John; Edwards, Malcolm (2024). "Asimov, Isaac". In Clute, John; Langford, David; Sleight, Graham (eds.). The Encyclopedia of Science Fiction (4th ed.). Retrieved 2024-04-14.
21. ^ Clute, John; Pringle, David (2024). "Aldiss, Brian W". In Clute, John; Langford, David; Sleight, Graham (eds.). The Encyclopedia of Science Fiction (4th ed.). Retrieved 2024-04-15.
22. ^ a b Stableford, Brian (2023). "Life on Other Worlds". In Clute, John; Langford, David; Sleight, Graham (eds.). The Encyclopedia of Science Fiction (4th ed.). Retrieved 2024-04-15.
23. ^ a b c d Stableford, Brian (1983). "Alien appearances". In Nicholls, Peter (ed.). The Science in Science Fiction. New York: Knopf. pp. 56–57. ISBN 0-394-53010-1. OCLC 8689657.
24. ^ a b Mann, George (2001). "Planets". The Mammoth Encyclopedia of Science Fiction. Carroll & Graf Publishers. p. 499\. ISBN 978-0-7867-0887-1.
25. ^ a b c Stanway, Elizabeth (2023-01-01). "Desert Worlds". Warwick University. Cosmic Stories Blog. Archived from the original on 2024-03-25. Retrieved 2024-04-22.
26. ^ a b Johnston, Michael (2017-07-24). "Five Books About Extreme Worlds". Reactor. Archived from the original on 2024-04-16. Retrieved 2024-04-22.
27. ^ a b Jensen, Kelly (2018-08-14). "Paradise Not: Five Inhospitable Planets". Reactor. Archived from the original on 2024-04-16. Retrieved 2024-04-22.
28. ^ Stableford, Brian; Clute, John (2024). "Martin, George R R". In Clute, John; Langford, David; Sleight, Graham (eds.). The Encyclopedia of Science Fiction (4th ed.). Retrieved 2024-04-15.
29. ^ Suvin, Darko; Clute, John (2023). "Lem, Stanisław". In Clute, John; Langford, David; Sleight, Graham (eds.). The Encyclopedia of Science Fiction (4th ed.). Retrieved 2024-04-15.
30. ^ Langford, David (2018). "Gaia". In Clute, John; Langford, David; Sleight, Graham (eds.). The Encyclopedia of Science Fiction (4th ed.). Retrieved 2021-12-04.
31. ^ Clute, John (2022). "Stone, Leslie F". In Clute, John; Langford, David; Sleight, Graham (eds.). The Encyclopedia of Science Fiction (4th ed.). Retrieved 2024-04-15.
32. ^ Peter, Nicholls; Langford, David (2019). "Generation Starships". In Clute, John; Langford, David; Sleight, Graham (eds.). The Encyclopedia of Science Fiction (4th ed.). Retrieved 2021-12-02.
33. ^ Schaaf, Fred (2008). "Alpha Centauri". The Brightest Stars: Discovering the Universe through the Sky's Most Brilliant Stars. Wiley. pp. 122–123. ISBN 978-0-471-70410-2. "The first great science-fiction story in which Alpha Centauri played a major role may have been a 1944 tale by A. E. van Vogt. I read it in a much later anthology when I was a kid. The title of the tale—including the sound of that title—was what really filled me with admiration and has stuck with me ever since: "Far Centaurus." Although the name Proxima Centauri basically means "near Centaurus," the title of the story is appropriate because the tale tells of a first spaceship journey that would take many generations to complete—"'Tis for far Centaurus we sail!""
34. ^ Stableford, Brian (2004). "Barton, William R.". Historical Dictionary of Science Fiction Literature. Scarecrow Press. p. 23\. ISBN 978-0-8108-4938-9. "Alpha Centauri (1997), in which terrorists plague the colony ship which is humankind's last hope"
35. ^ a b Liptak, Andrew (2015-07-20). "Visiting Tau Ceti with 4 Science Fiction Authors". B&N Reads. Archived from the original on 2024-04-14. Retrieved 2024-04-15.
36. ^ a b Nicoll, James Davis (2023-09-20). "Star Power: Five Classic SF Works Featuring Tau Ceti". Reactor. Archived from the original on 2024-04-14. Retrieved 2024-04-15.

## Further reading[edit]

* Bailey, K. V. (Winter 1997–1998). Lee, Tony (ed.). "The Circle Citadels: Other Solar Systems in Science Fiction". The Zone. No. 6\. pp. 32–35. ISSN 1351-5217.
* Fraknoi, Andrew (January 2024). "Science Fiction Stories with Good Astronomy & Physics: A Topical Index" (PDF). Astronomical Society of the Pacific (7.3 ed.). pp. 6, 19–20. Archived (PDF) from the original on 2024-02-10. Retrieved 2024-04-15.
* Mann, George (2001). "Stars". The Mammoth Encyclopedia of Science Fiction. Carroll & Graf Publishers. pp. 512–513. ISBN 978-0-7867-0887-1.
* Nicoll, James Davis (2020-04-30). "Far From Any Star: Five Stories About Rogue Worlds". Reactor. Archived from the original on 2024-04-16. Retrieved 2024-04-16.

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