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4 votes
What did Galileo use to discover mountains on the Moon, Jupiter's moons, & Saturn's

rings?
a
b
C
d
A microscope
His imagination
A telescope
The theory of gravity

User JOV
by
7.1k points

1 Answer

5 votes

I'm pretty sure it was a telescope...May be wrong tho

User Alfakini
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8.2k points