1. Which ancient astronomer developed a geocentric model of the universe explaining the observable motions of the planets? (1 point)

A. Aristotle
B. Ptolemy
C. Copernicus
D. Newton

2. Aristotle concluded that Earth was round because ____. (1 point)

A. it always casts a curved shadow during a lunar eclipse
B. he sailed around the world
C. he calculated Earth’s circumference
D. it exhibited retrograde motion

3. The first early astronomer to propose a sun-centered solar system was ____. (1 point)

A. Galileo
B. Newton
C. Copernicus
D. Brahe

Question

1.   Which ancient astronomer developed a geocentric model of the universe explaining the observable motions of the planets?  (1 point)

A.  Aristotle
B.  Ptolemy
C.  Copernicus
D.  Newton

2. Aristotle concluded that Earth was round because ____.  (1 point)

A.  it always casts a curved shadow during a lunar eclipse
B.  he sailed around the world
C.  he calculated Earth’s circumference
D.  it exhibited retrograde motion

3. The first early astronomer to propose a sun-centered solar system was ____.  (1 point)

A.  Galileo
B.  Newton
C.  Copernicus
D. Brahe

prakharluv · Answer

for question 1 the answer is B.Ptolemy
for question 2 the answer is A.  it always casts a curved shadow during a lunar eclipse
for question 3 the answer is C.  Copernicus