ultra-diffuse
形容词 adj.
英文释义
形容词 adj.
- Extremely diffuse.
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Specifically, designating a type of galaxy with a very low proportion of visible stars compared to the Milky Way, and hence a very low luminosity.
— In the next sections we study the properties of galaxies that satisfy our criteria to be ultra diffuse, and consider the contribution from galaxies in the fore- and background using the CFHTLS fields.
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数据来源: Wiktionary