Definition: "Sun4," or "Sun4," refers to a type of solar system in which an object that has a mass distribution similar to Earth, but with no moons or other natural bodies like planets. The term comes from Greek roots "solar" (which means "sun") and "four" meaning four.
Definition:
- In the context of astronomy, "Sun4," or "Sun4," refers to an object in the solar system that has a distribution similar to Earth but without moons, asteroids, comets, or other celestial bodies. The term originated from Greek roots "solar" (meaning sun) and "four" meaning four.
In physics, it describes an artificial satellite orbiting a planet, or an artificial moon that orbits another object in the solar system, like Mercury, Venus, Mars, Jupiter, Saturn, Uranus, or Neptune.
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