The Greeks abandoned their earliest cosmological theory (planets moving in simple circles around Earth) because
A) it did not agree with their observations of the planets.
B) it seemed messy and unsatisfying.
C) they came to believe that Earth should be at the center of things.
D) they came to believe that the sun should be at the center of things.
E) Actually, they never did abandon or revise their earliest theory--it was not altered until the time of Copernicus.
Ans: A) it did not agree with their observations of the planets.
You might also like to view...
It is correct to say that impulse is equal to
A) momentum. B) the change in momentum. C) the force multiplied by the distance the force acts. D) all of the above E) none of the above
In order for organic molecules to have formed on the early Earth, what do we know could not have been present in the atmosphere in significant quantities?
A) oxygen (O2) B) nitrogen (N2) C) carbon dioxide (CO2) D) argon (Ar)
What effect could Wegener's continental drift (Chapter 10) have on climate? Explain
What will be an ideal response?
John's face is 20 cm in front of a concave shaving mirror of focal length 30 cm. How large an image does he observe?
A) half as large as his face B) of the same size as his face C) twice as large as his face D) three times as large as his face E) four times as large as his face