alleryStart learning →Who heard about the Dutch telescope and in 1609 built his own to study objects in the sky?
AJohannes Gutenberg
BEdward Everett Hale
CHerman Potocnik
DGalileo Galilei
Answer & Solution
Correct answer: D. Galileo Galilei
Galileo heard of the invention and built his own version in 1609, then observed celestial objects with it.
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