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Tsync Tsync
wrote...
Posts: 3450
Rep: 8 0
8 years ago
In the closed universe model, the geometry of spacetime in two dimensions resembles the surface of a:
A) sphere.
B) pyramid.
C) cylinder.
D) saddle.
E) flat piece of paper.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
Read 261 times
3 Replies
Minoring in physics
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Answer verified by a subject expert
RatatouilleRatatouille
wrote...
Top Poster
Posts: 3710
8 years ago
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Tsync Author
wrote...
8 years ago
Exactly what I needed Smiling Face with Open Mouth
Minoring in physics
wrote...
8 years ago
Happy to help Slight Smile
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