| 词汇 | example_english_emission-nebula |
| 释义 | emission nebulacollocation in Englishmeanings of emissionand nebulaThese words are often used together. Click on the links below to explore the meanings. Or, see other collocations with nebula or emission. emission noun uk /iˈmɪʃ.ən/ us /iˈmɪʃ.ən/ the act of sending out gas, heat, ... See more at emission nebula noun[C] uk /ˈneb.jə.lə/ us /ˈneb.jə.lə/ a cloud of gas or dust in space, appearing either bright ... See more at nebula Examples of emission nebulaThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. This is an emissionnebula showing glowing gas and darker dust lanes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. N44 is classified as an emissionnebula because it contains large regions of ionized hydrogen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For many years, well into the 1960s, it was thought to be a bright emissionnebula. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The gaseous contortions of this emissionnebula bear a resemblance to a pelican, giving rise to its name. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sharpless 2115 is another emissionnebula with a complex pattern of light and dark patches. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In many emission nebulae, an entire cluster of young stars is doing the work. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Not all emission nebulae are found around or near stars where solar heating causes ionisation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Reflection nebulae and emission nebulae are often seen together and are sometimes both referred to as diffuse nebulae. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For astrophotography, many photogenic targets (such as emission nebulae) are bright in the far red and near infrared. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Emission nebulae often have dark areas in them which result from clouds of dust which block the light. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Most emission nebulae are about 90% hydrogen, with the remainder helium, oxygen, nitrogen, and other elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is very difficult to observe visually because its low surface brightness makes it appear dimmer than most other emission nebulae. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Want to learn more? Go to the definition of emission Go to the definition of nebula See other collocations with nebula See other collocations with emission |
反思网英语在线翻译词典收录了377474条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。