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Tsync Tsync
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8 years ago
What is the meaning of a "closed" universe?
A) The universe will someday stop expanding and start to collapse.
B) The universe is in a steady-state.
C) The universe will disappear into a white hole in time.
D) The universe will expand forever.
E) The universe will stop expanding in an infinite amount of time.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
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Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
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#2
8 years ago
Wonderful, thanks for your time and effort
Minoring in physics
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#3
8 years ago
Message back if you need anything
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