variable star
nounDefinition of variable star
Examples of variable star in a Sentence
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The scientists from the Chinese Academy of Sciences used this method to create a three-dimensional map of over a thousand Cepheid variable stars in our galaxy, from the innermost core to the outer edges. — Avery Thompson, Popular Mechanics, "Astronomers Discover the Milky Way Is More Twisted and Warped Than We Thought," 5 Feb. 2019 In response to that question, researchers have turned their computation gun on a long-standing problem: why do luminous blue variable stars exist? — Chris Lee, Ars Technica, "Beautiful 3D model of stars explains changes in brightness," 8 Oct. 2018 So far, astronomers have estimated those distances using data from 10 well-studied, long-period variable stars in the Milky Way. — National Geographic, "How 1.7 Billion Stars Were Mapped With Dazzling 3-D Precision," 25 Apr. 2018 For the local universe, these mile markers are Cepheid variable stars, which periodically pulse and share the same intrinsic brightness. — National Geographic, "How 1.7 Billion Stars Were Mapped With Dazzling 3-D Precision," 25 Apr. 2018 Haro discovered flare stars, variable stars which experience unpredictable surges in brightness. — Brett Molina, USA TODAY, "Google Doodle pays tribute to Mexican astronomer Guillermo Haro," 21 Mar. 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'variable star.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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