红色矩形星云2300光年远，在麒麟座(独角兽座)。
The Red Rectangle nebula lies about 2, 300 light years away towards the constellation of the Unicorn (Monoceros).
答案：它们都在麒麟座(独角兽星座)。
Answer: they all occur in the constellation of the unicorn (Monoceros).
答案：它们都在麒麟座(独角兽星座)。
Answer: they all occur in the constellation of the unicorn (Monoceros).
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