Question

Which astronomer designed scientific instruments, including a new kind of thermometer, an improved compass, and a more powerful telescope? He also discovered four moons orbiting the planet Jupiter.

Nicolaus Copernicus

Johannes Kepler

Galileo Galilei

Ptolemy

Answer 1

The correct answer is A Galileo Galilei

Step-by-step explanation:

i got it right on the test

Answer 2

That would be
Galileo Galilei