一朵宇宙玫瑰:位於 Monoceros 的 NGC 2237
A Cosmic Rose: NGC 2237 in Monoceros

來源:Harry Karamitsos|發表日期:2025-02-14
玫瑰星雲(NGC 2237 )並不是唯一一個能讓人聯想到花朵的宇宙氣體和塵埃雲,但它可能是最著名的一個。 這朵宇宙玫瑰的花瓣位於約 5000 光年外的摩諾塞洛斯(Monoceros)大分子云的邊緣,實際上是一個恆星苗圃。它可愛、對稱的形狀是由其中央的炙熱年輕 O 型恆星群的風和輻射鵰刻而成的。這個被編入 NGC 2244 星表的能量星團中的恆星只有幾百萬年的歷史,而玫瑰星雲的中心空腔直徑約為 50 光年。用小型望遠鏡可以看到獨角獸座方向的星雲。這幅玫瑰星雲的自然外觀望遠鏡肖像是使用寬頻濾色鏡拍攝的,但有時玫瑰並不是紅色的。
原文: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.
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