plural of dwarf planet

Betula nana, a species of birch in the family Betulaceae, native to arctic and cool temperate regions of northern Europe, northern Asia and northern North America.

A plant in the taxonomic genus Equisetum (horsetails); Equisetum scirpoides.

(astronomy) A dwarf spheroidal galaxy

A "sport" in which contestants compete to throw a small person the farthest.

(astronomy) Any galaxy, considerably smaller than the Milky Way, that has only several billions of stars.

(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.

(astronomy) A dying star of low or medium mass, more solid and dense but less bright than the sun.

(astronomy) A small, relatively cool star of the main sequence; most stars in the Milky Way are red dwarfs.

(astronomy) A hypothesized white dwarf that has cooled down and no longer emits visible light.