In which two ways was galileo’s improved telescope useful during the scientific revolution?

Explanation:

1. It helped Galileo Galili to know that there are four moon that revolve around Jupiter. He discovered three of the largest moon of Jupiter.

2. Another useful thing that Galileo discovered is that the Moon is not a Perfect Sphere but has rough surface of mountains and craters. He founded that the surface of moon is not smooth, it is uneven, rough, and crowded with depressions and bulges.

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