asteroid

nounB1

Định nghĩa theo từ loại

Danh từ

noun

Plural noun:

asteroids

1.
(astronomy) A naturally occurring solid object, which is smaller than a planet and a dwarf planet, larger than a meteoroid and not a comet, that orbits a star and often has an irregular shape.
2.
(astronomy) In the Solar System, such a body that orbits within the orbit of Jupiter.
3.
(zoology) Any member of the taxonomic class Asteroidea; a starfish.

Từ liên quan

Cùng gốc / liên quan

asteriteasteroidalasteroidlikeiceteroidicesteroidinterasteroidasteroid beltkuiperoidApohele asteroidAtira asteroidVatira asteroidꞌAylóꞌchaxnim asteroidbinary asteroiddisasteroidAten asteroidaster asterisk asterismminor planetastroid

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Nguồn gốc từ

thumb|The asteroid 243 Ida Introduced by German–British astronomer William Herschel in 1802 upon the suggestion of classical scholar Charles Burney Jr. (1757–1817), the son of music historian Charles Burney, a friend of Herschel's. Probably coined as a Ancient Greek ἀστεροειδής (starlike), from ἀστήρ (celestial body) + -ειδής. aster.