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Astronomers have discovered an enormous cavity in the Milky Way galaxy that is believed to have formed after a stellar explosion millions of years ago. The bubble-shaped void is 500 light-years wide and is located between star-forming regions in the Perseus and Taurus constellations. The new finding may shed light on how supernovas generate star formation.

天文学家在银河系中发现了一个巨大的空洞，据说是在数百万年前的一次恒星爆炸之后形成的。这个气泡状的空洞有500光年宽，位于英仙座和金牛座的恒星形成区之间。这个新发现可能会揭示出超新星如何产生恒星形成。