In 1609 Galileo showed Venetian officials a new instrument that magnified nine times. It was a:
AMicroscope
BPeriscope
CSundial
DTelescope
Answer & Solution
Correct answer: D. Telescope
1. He demonstrated the device to city officials.
2. It magnified distant views nine times over.
3. That instrument was the telescope.
_Source: OpenStax Astronomy 2e, Chapter 2, Observing the Sky: The Birth of Astronomy._
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