Informational (nonfiction), 2,183 words, Level Z (Grade 5), Lexile 1080L Telescopes: Eyes on Space?explains the history of telescopes, how they work, and how scientists and others use them to study distant objects in space. Readers also learn about advancements that astronomers and other scientists are working toward achieving.Informational (nonfiction), 2,183 words, Level Z (Grade 5), Lexile 1080L Telescopes: Eyes on Space?explains the history of telescopes, how they work, and how scientists and others use them to study distant objects in space. Readers also learn about advancements that astronomers and other scientists are working toward achieving.