单词	quasar
释义	quasar /ˈkweɪzɑː / /ˈkweɪsɑː/ noun Astronomy A massive and extremely remote celestial object, emitting exceptionally large amounts of energy, which typically has a starlike image in a telescope. It has been suggested that quasars contain massive black holes and may represent a stage in the evolution of some galaxies.Astronomers believe that quasars are galaxies with very massive black holes in the center.... Rich in objects, from galaxies to quasars to white dwarf stars, this vast data archive will serve as a resource for the entire astronomical community. Radio astronomers found pulsars, quasars, and massive molecular clouds dotting the celestial landscape. Origin 1960s: contraction of quasi-stellar. Rhymes César
随便看	pallet box palleted palleting palletisation palletise palletization palletize pallet leather pallet spring pallet stone palletting pallet truck pallia pallial pallial adductor pallial cavity pallial chamber pallial line pallial sinus palliament palliasse palliate palliation palliative palliative care

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