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Name: Paul Hrabik
Status: student
Age: 13
Location: N/A
Country: N/A
Date: 1999 - 2000
Question:
What is an open or a closed universe?

Replies:
Astronomers have noticed that all the stars are moving away from each other. A natural question is "are they going to continue doing this forever (open universe), or will they someday stop and fall back together (closed universe)?"

Tim Mooney


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