ultra-diffuse

短语

词形变化

more ultra-diffuse 比较级 most ultra-diffuse 最高级

别名

ultra diffuse

释义与例句

adj.
  1. 1.

    Extremely diffuse.

  2. 2.

    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.

    天文

    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.