单词 | quasi-stellar radio source |
例句 | The word “quasar” is an acronym for “quasi-stellar radio source.” Cosmos 1980-01-01T00:00:00Z The term quasar is a concatenation of quasi-stellar radio source — so called because when they were first identified, astronomers like Hong-Yee Chiu, who coined the term, were completely baffled by these strange interstellar objects. Scientists solved a six-decade mystery about the brightest, most powerful objects in the universe 2023-04-30T04:00:00Z Hence the name “quasar,” an abbreviation that recognized their starlike properties, and stands for quasi-stellar radio source. Maarten Schmidt, astronomer who explained quasars, dies at 92 2022-09-26T04:00:00Z |
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