天文社午间探秘：用光谱管解读星星的颜色与年龄
文章发表日期:
2026.09.24
你是否好奇，为什么有些星星呈现不同的颜色？它们最初又是如何发光的？这正是我们天文社 (Astronomy Club) 今天午休时探索的主题。
同学们借助光谱管 (spectral tubes)，了解天文学家如何通过研究光线，推断出恒星的构成成分、年龄，甚至判断它们是正在靠近还是远离地球。
来源: 学校新闻原文 （Westlake Boys High School）。译文如有歧义，以英文原文为准
Ever wondered why some stars are different colours, or how they glow in the first place?
Ever wondered why some stars are different colours, or how they glow in the first place? That's what our Astronomy Club looked at today at lunch break.
Using spectral tubes, students learned how astronomers study light to work out what stars are made of, how old they are, and even whether they're moving towards or away from Earth.
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