1. Betelgeuse is a red supergiant star located in the constellation of Orion.(贝丁格斯星是位于猎户座的一颗红色超巨星。)
2. Scientists believe that Betelgeuse could possibly explode in a supernova within the next million years.(科学家认为贝丁格斯星可能在未来百万年内爆炸成为超新星。)
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