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娇小而微微泛黄的星云NGC 6729环绕在年轻变星南冕座R的周围。
The smaller yellowish nebula (NGC 6729) surrounds young variable star R Coronae Australis.
youdao
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娇小而微微泛黄的星云NGC 6729环绕在年轻变星南冕座R的周围。
The smaller yellowish nebula (NGC 6729) surrounds young variable star R Coronae Australis.
youdao