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Near-Earth object - Wikipedia, the free encyclopedia

Near-Earth object - Wikipedia, the free encyclopedia

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日期:2026-04-27
A near-Earth object (NEO) is a Solar System object whose orbit brings it into proximity with Earth. All NEOs have a closest approach to the Sun (perihelion) of less than 1.3 AU.[2] They include more than ten thousand near-Earth asteroids (NEAs), near-Eart...看更多