character: Emily Chen
topic: Observing Spiral Galaxies: Techniques and Challenges
grade: 12
subject: Physics
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character: Carl Sagan
topic: The Importance of Astronomy in Understanding the Universe
grade: 12
subject: Physics
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character: Galileo Galilei
topic: Early Techniques in Observing Celestial Bodies
grade: 12
subject: Physics
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character: Hubble Space Telescope Team
topic: Advancements in Observational Techniques for Deep Space
grade: 12
subject: Physics
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