| 单词 | planetary nebula |
| 释义 | 例句释义: 行星状星云,行星星云,行星状星云或星状星云 1. It is one of the best examples of a planetary nebula and a favorite target of amateur astronomers. 它是行星状星云的最好范例之一，也是业余天文爱好者最喜欢观测的目标之一。 www.bing.com 2. So most people, you know, kind of have no idea of the difference between like, an emission nebula and a planetary nebula. 这和实际的频率和规模几乎是一样的。大多数人都分不清发射星云和环状星云之间的区别。 www.ted.com 3. Explanation: The sands of time are running out for the central star of this hourglass-shaped planetary nebula. 说明：在这个沙漏状的行星状星云中，时间之砂正从中央的恒星之中流失殆尽。 www.bing.com 4. Hence, it is rare that an open cluster survives long enough for one of its members to form a planetary nebula. 因此，一个疏散星团很少能够存活到它内部的某个成员变成行星状星云。 www.bing.com 5. Our own sun will blossom into a planetary nebula when it dies in about five billion years. 大约50亿年后，我们的太阳死去时，也会变成行星状星云。 www.bing.com 6. The spectacular planetary nebula Helix Nebula is the death of a star disguised as a butterfly. 色彩斑斓的行星状星云螺旋星云，正是恒星死亡所化身的蝴蝶。 www.lcsd.gov.hk 7. It will evolve into a cosmic butterfly - a spectacular planetary nebula in the starry sky . 不过，太阳的死亡绝不平淡，它会化为星空蝴蝶成为夜空中灿烂的行星状星云。 www.bing.com 8. The result is called, somewhat misleadingly, a planetary nebula. 这个结果称为行星状星云，这是个常让人误解的名字。 dictsearch.appspot.com 9. The Helix Nebula is the closest example of a planetary nebula created at the end of the life of a Sun-like star. 螺旋星云是离我们最近的例子，它形成在一颗像太阳一样的星星消亡的时候。 goabroad.zhishi.sohu.com 10. The central planetary nebula nucleus (PNN) or white dwarf central star is the fainter of these two stars. 行星状星云核心的中心可能是一颗比这两颗恒星更暗淡的白矮星。 instapedia.com 1. Also known as Abell 21, this Medusa is an old planetary nebula some 1, 500 light-years away in the constellation Gemini. 也被称作阿贝尔21，水母星云是双子座中一个1500光年远的年老行星状星云。 www.bing.com 2. Many objections can be raised to this picture of planetary nebula formation. 形成行星状星云的这一图像可能会引起许多异议。 3. And it is these that are helping scientists to resolve the outstanding mysteries of the complex shapes and symmetries of planetary nebula. 在图片的“协助”之下，科学家们有望揭开揭开行星状星云复杂的结构，以及其对称性背后的谜团。 www.ebigear.com 4. A classic planetary nebula, the Cat's Eye (NGC 6543) represents a final, brief yet glorious phase in the life of a sun-like star. 作为一个典型的行星状星云，猫眼星云（NGC6543）代表了一个类太阳恒星短暂而又辉煌的最终结局。 jishenhua.jn.blog.163.com 5. A planetary nebula is an expanding cloud of gas ejected from a star that is nearing the end of its life. 行星状星云一个由来自中心濒临死亡恒星所释放出的气体组成的正在膨胀的星云。 cdn.astronomy.com.cn 6. The newly discovered example of a ring-shaped planetary nebula is about 15, 000 light-years distant. 这个新发现的环形行星状星云案例据我们约15000光年。 www.bing.com 7. These new developments enable us to identify the first instance of symmetry breaking in the evolution from AGB to planetary nebula. 这个新发现使我们能够鉴认AGB星从打破球对称结构到最终形成行星状星云的最初一步。 www.astronomy.com.cn 8. It is thus clear that, the planetary nebula is the result that the fixed star old age evolve. 可见，行星状星云是恒星晚年演化的结果。 zhidao.baidu.com 9. Officially known as PN G75. 5 1. 7, the Soap Bubble is an example of a planetary nebula. 这个“肥皂泡”被正式命名为PNG75.5 1.7，是一个行星状星云。 www.bing.com 10. The Eskimo Nebula is clearly a planetary nebula. 爱斯基摩星云显然是一个行星星云。 www.elanso.com 1. See photos of new planetary nebula. 查看新的关于行星云团的照片。 www.bing.com 2. The Cat's Eye Nebula (NGC 6543) is a planetary nebula in the constellation of Draco. 猫眼星云（NGC6543）是天龙星座的一个行星星云。 www.elanso.com 3. The unique planetary nebula NGC 2818 is nested inside the open star cluster NGC 2818A. 这个奇特的行星状星云NGC2818巢居在疏散星团NGC2818A的内部。 www.bing.com 4. Planetary nebula Mz3 is being cast off by a star similar to our Sun that is, surely, round. 行星状星云Mz3是一颗类太阳恒星抛出的物质，当然，在其周围形成的。 www.bing.com 5. englishtang. com bipolar planetary nebula 双极行星状星云 www.englishtang.com |
| 随便看 |
|
英汉双解词典包含2704715条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。