The Flatness Problem Is That

question 3

Multiple Choice

The flatness problem is that

• A) the density of the universe is very close to the critical density.
• B) the density of the universe is much larger than the critical density.
• C) the flat universe would expand forever,and we could never measure the density of the universe.
• D) the laws of physics may not be different at different times in the history of the universe.
• E) the red shift of a distant galaxy is caused by the curvature of space-time.

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