星系、恒星与尘埃
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NGC 7497
天文·每日一图
恒星、云气与尘埃后方的星系
2022年10月19日 A Galaxy Beyond Stars, Gas, Dust Image Credit & Copyright: Howard Trottier; Text: Emily Rice Explanation: Do we dare believe our eyes? When we look at images of space, we often wonder whether they are “real”, and just as often the best answer varies. In this case, the sc