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A so-called "planetary nebula" is a confusing misnomer because these clouds have nothing to do with planets. As a medium-size star nears the end, it puffs out into a red giant — about 100 to 1,000 times its original size — eventually engulfing the space around it, including any nearby worlds.
,这一点在新收录的资料中也有详细论述
- Update MSRV to 1.91 ([#17677](astral-sh/uv#17677))
圖像加註文字,2026年伊朗抗議特朗普的示威民眾接下來幾週,特朗普下令美國在該地區軍事集結,並威脅若伊朗不就核計劃達成新協議並放棄他所稱的「邪惡核野心」,美國將發動攻擊。