In what year did Galileo first use an optical telescope to study the moon?
Correct answer: B. 1609
- A. 1492
- B. 1609
- C. 1212
- D. 1743Exploring Educational Science Kits
Explanation
Galileo began using an improved optical telescope for astronomical observations in 1609, including observations of the Moon. The unrelated text after option d is a scraping error.
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