Hypothetical astronomical object
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A hypothetical astronomical object is an astronomical object (such as a star, planet or moon) that is believed or speculated to exist but whose existence has not been scientifically proven.
- For hypothetical planets, see Hypothetical planet (disambiguation)
- For hypothetical stars, see Hypothetical star
- For hypothetical moons, see Hypothetical moon (disambiguation)
- For hypothetical brown dwarfs, see: List of brown dwarfs
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