This site from the National Aeronautics and Space Administration provides the opportunity to solve a crossword and learn about the world's biggest telescopes.

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Concepts

astronomy, telescopes, nasa

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Additional Tags

interferometer, interferometry, science crossword, space telescopes, viewing space, world's biggest telescopes, keck telescopes, orbiting space telescopes

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Classroom Considerations

Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)

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