宇宙玫瑰：Monoceros的NGC 2237
(原标题: A Cosmic Rose: NGC 2237 in Monoceros)
2025-02-14
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玫瑰星云NGC 2237并不是唯一一个能让人联想到花朵的宇宙气体和尘埃云，但它可能是最著名的。在大约5000光年外的麒星中一大片分子云的边缘，这朵宇宙玫瑰的花瓣实际上是一个恒星托儿所。这个可爱、对称的形状是由其中心炙热的年轻o型恒星群的风和辐射雕刻而成的。这个编号为NGC 2244的高能星团中的恒星只有几百万年的历史，而玫瑰星云的中心洞直径约为50光年。这个星云可以用小型望远镜在独角兽星座的方向上看到。这张玫瑰星云的自然望远镜肖像是用宽频滤色器拍摄的，但有时玫瑰不是红色的。
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The Rosette Nebula, NGC 2237, is not the only cosmic cloud of gas and dust to evoke the imagery of flowers, but it is probably the most famous. At the edge of a large molecular cloud in Monoceros some 5,000 light years away, the petals of this cosmic rose are actually a stellar nursery. The lovely, symmetric shape is sculpted by the winds and radiation from its central cluster of hot young, O-type stars. Stars in the energetic cluster, cataloged as NGC 2244, are only a few million years young, while the central cavity in the Rosette Nebula, is about 50 light-years in diameter. The nebula can be seen with a small telescope toward the constellation of Monoceros, the Unicorn. This natural appearing telescopic portrait of the Rosette Nebula was made using broadband color filters, but sometimes roses aren't red.
© Harry Karamitsos