释义 |
nebulosity noun[ U or C ] physics specializeduk /ˌneb.jəˈlɒs.ə.ti/ us /ˌneb.jəˈlɑː.sə.t̬i/ a cloud of gas or dust in space, or the appearance of such a cloud: 星云;星云状态 The highly powered telescopes failed to reveal any trace of nebulosity.高倍望远镜未能发现任何星云的踪迹。 They were unable to detect any stars or nebulosities of gleaming gas. The map outlined all the regions of dark nebulosity. The nebula is visible with the naked eye, and through binoculars it appears as an area of diffuse nebulosity. We were able to see details and nebulosity extending far from the core in all directions. SMART Vocabulary: related words and phrases Astronomy albedo Andromeda Aquarius Aries asteroid galactic galaxy Gemini geostationary geosynchronous observatory orbit orbital Orion penumbra substellar sunspot supergiant supermassive supermoon |