闪光东本
发表于 2025-3-25 05:14:30
The Constellations,heavenly vault. Some are very bright, others are difficult to make out. If you look carefully you can see that stars are also differently coloured: some are yellow, some white, there are some which are redder, some more orange and even some bluish ones.
faddish
发表于 2025-3-25 08:25:47
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micturition
发表于 2025-3-25 11:51:09
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obstruct
发表于 2025-3-25 16:22:54
The Milky Way,de up of one hundred thousand million (100,000,000,000) stars, some grouped together in clusters, and interstellar matter, dust and gas. All of the components of our Galaxy move around its nucleus. The stars are mostly spread out along spiral arms.
占线
发表于 2025-3-25 23:39:36
http://reply.papertrans.cn/67/6623/662248/662248_25.png
现晕光
发表于 2025-3-26 01:43:13
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Odyssey
发表于 2025-3-26 06:32:49
The Patrick Moore Practical Astronomy Serieshttp://image.papertrans.cn/n/image/662248.jpg
卡死偷电
发表于 2025-3-26 09:11:07
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刚开始
发表于 2025-3-26 13:38:27
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neuron
发表于 2025-3-26 17:40:38
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