Multiple Choice
How do we know the shape of the universe?
A) By observing distant stars during eclipses of the sun.
B) By triangulation measurements involving the distances to the sun and to the moon.
C) From the comparison between the pulsations coming from distant neutron stars.
D) By observation of the angular size of a typical wavelike disturbance in the cosmic microwave background.
E) By observing the light from distant stars and one star passes in front of another star.
Correct Answer:
Verified
Correct Answer:
Verified
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