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2012-07-26 天鹅座的郁金香星云
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dailyas...@gmail.com
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Jul 26, 2012, 2:00:59 AM
7/26/12
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这幅框住一个明亮发射星云的望远镜影像,视野的指向在银河盘面的天鹅座内。这团常被称为郁金香星云 (Tulip Nebula)的光亮云气尘埃云,在天文学家Stewart Sharpless的1959年星表中,是编录号Sh2-101的天体。这团星云离我们约8,000光年远,是数个让我们和花朵产生联想的星云之一。这幅组合影像,呈现了星云美丽且繁复的构造,其中,电离硫、氢、氧等原子的辐射,分别以红、绿、蓝等色泽来表现。位在影像中心蓝弧中心处的年轻活耀的O型星HDE 227018,其紫外辐射造成原子的电离,因此是郁金香星云发光的能源。
内容提供:
http://apod.nasa.gov/apod/ap120726.html
中文翻译:成功大学物理学系 苏汉宗,陈昭敏 等
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