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This news story describes the search for Pluto which began in the early 1900s and the subsequent discovery of its moon system. The text describes how the Hubble Space Telescope was used to discover Pluto's other moons. Star Witness News is a series of articles, written for students, that are inspired by Hubble Space Telescope press releases. Supplemental education materials include background information, vocabulary, and discussion questions and answers. Common Core Standards for English Language Arts are also identified.