Flatness Problem ·
Why Ω ≈ 1?
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seel
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Ω today
1.000 ± 0.005
Required at t
P
1 ± 10⁻⁶²
Universe
—
Closed (Ω > 1) sphere
Flat (Ω = 1) plane
Open (Ω < 1) hyperbolic
Inflation
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.com · Flatness Problem