An artificial planet[1] (also known as a planetary replica or a replica planet)[2] is a proposed stellar megastructure. Its defining characteristic is that it has sufficient mass to generate its own gravity field that is strong enough to prevent atmosphere from escaping,[3][4] although the term has been sometimes used to describe other types of megastructures that have self-sufficient ecosystems.[2][5] The concept can be found in many works of science-fiction.
- ^ Glover, D. R. (2013-01-01). "The Artificial Planet". Journal of the British Interplanetary Society. 66: 43–46. Bibcode:2013JBIS...66...43G. ISSN 0007-084X.
- ^ a b "Could We Ever Build an Artificial World?". Popular Mechanics. 2014-07-28. Retrieved 2023-12-16.
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