Question

What instrument did Galileo improve so much that it became a powerful instrument for scientific research?

Answer 1

Telescope.

Step-by-step explanation:

He significantly improved upon them. In 1609, he first learned of the existence of the spyglass, which excited him. He began to experiment with telescope-making, going so far as to grind and polish his own lenses. His telescope allowed him to see with a magnification of eight or nine times.

Answer 2

Galileo improved the TELESCOPE so much that it became a powerful instrument for scientific research.