At its heart is a cluster of three deeply embedded young stars, which are each several thousand times brighter than the sun.
它的中心是由3个年轻恒星组成的星系群，其亮度超过太阳千倍。
At its heart is a cluster of three deeply embedded young stars, which are each several thousand times brighter than the sun.
它的中心是由3个年轻恒星组成的星系群，其亮度超过太阳千倍。
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