单词	circumstellar
释义	circumstellar adjective cir·​cum·​stel·​lar ˌsər-kəm-ˈste-lər  : surrounding or occurring in the vicinity of a star circumstellar dust Example Sentences Recent Examples on the Web In addition, intense surface winds cause a gaseous cloud known as a circumstellar envelope to form around the star. Jennifer Ouellette, Ars Technica, 29 Mar. 2022 The data revealed evidence of dense circumstellar material around the star at the time of the explosion. Julia Musto, Fox News, 14 Jan. 2022 Hubble was able to spot circumstellar material around the star shortly after the explosion. Ashley Strickland, CNN, 21 Oct. 2021 As material continues to gently fall onto the central proto-star, a circumstellar disk emerges around it. Ethan Siegel, Forbes, 16 Apr. 2021 Planets form from a disk of gas and dust around a star, called the circumstellar disk. Ashley Strickland, CNN, 14 Sep. 2020 This is where planets form, and it's called the circumstellar disk. Ashley Strickland, CNN, 3 Sep. 2020 Meanwhile the study of circumstellar disks and planet formation has exploded. Meredith A. Macgregor, Scientific American, 19 May 2020 This band is called the circumstellar habitable zone (CHZ) and has become one of the central ideas driving scientists’ thoughts about life on exoplanets. James Trefil And Michael Summers, Smithsonian Magazine, 31 Dec. 2019 See More Word History First Known Use 1951, in the meaning defined above
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