Last Updated：2025/11/28
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Astronomers tracked a potentially hazardous object whose orbit could bring it uncomfortably close to Earth within the next century.
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Astronomers tracked a potentially hazardous object whose orbit could bring it uncomfortably close to Earth within the next century.
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Related words
potentially hazardous object
Noun
Japanese Meaning
（天文学） 地球に接近する軌道を持ち、もし衝突が起きた場合に地域的な大きな被害をもたらす可能性のある、小惑星や彗星を指す。
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