scattered disc

短语

词形变化

the scattered disc

别名

scattered-disc scattered-disk

释义与例句

name
  1. 1.

    A trans-Neptunian region of the Solar System that overlaps the outer edge of the Kuiper belt, but also extends far beyond it, and is populated sparsely by small Solar System bodies.

    天文

    2021, Ahmed Sayeed, Dawn of Life, Authors Tree Publishing, page 16, The scattered disc which overlaps the Kuiper belt but extends out to about 200 AU, is thought to be the source of short-period comets. Scattered-disc objects are thought to have been ejected into erratic orbits by the gravitational influence of Neptune's early outward migration.