Can someone help me please

Question 1: 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.
A. Johannes Kepler
B. Ptolemy
C. Nicolaus Copernicus
D.Galileo Galilei

Question 2: Which philosopher believed the path to new knowledge is by way of inductive reasoning?
A. Andreas Vesalius
B. Rene Descartes
C. Isaac Newton
D. Francis Bacon

Question

Can someone help me please 

Question 1: 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.
A. Johannes Kepler
   B. Ptolemy
C. Nicolaus  Copernicus
D.Galileo Galilei

Question 2:  Which philosopher believed the path to new knowledge is by way of inductive reasoning?
A.	Andreas Vesalius
B.	Rene Descartes
C.	Isaac Newton
D.	 Francis Bacon

fluttershyk · Answer

@fortisdea13 you are not supposed to give answers away you have to help them solve it on there own as @jabez177 told me 

am i correct @jabez177

jabez177 · Answer

Yes.  
I have let him/her know already.

fluttershyk · Answer

@jabez177 ok that's good :)

fortisdea13 · Answer

Alright, then, the Galilean moons are the four moons orbiting Jupiter, so you can guess why they are called that.
As for 2, it is not A or B, Isaac Newton was an English physicist and mathematician, described in his own day as a natural philosopher but he wasn't the one who believed that.

fluttershyk · Answer

@fortisdea13 good job