English Dictionary

ice dwarf

noun

(astronomy) An icy planetoid: an astronomical object, such as Pluto, Sedna or (for some authors) Ceres that is large enough to be a world and contains more ice than a typical asteroid.

The ice dwarf is located in the outer regions of the solar system.

意味（1）

(astronomy) An icy planetoid: an astronomical object, such as Pluto, Sedna or (for some authors) Ceres that is large enough to be a world and contains more ice than a typical asteroid.

Farthest from the dim red dwarf Ondeste, the ice dwarf Maisuth has attracted no interest beyond a cursory flyby by automated probe in 1874. No significant resources were noted.

意味（2）

(astronomy) A centaur or transneptunian object.

意味（3）

(astronomy) An astronomical object that is larger than the core of a typical comet and icier than a typical asteroid.