Physics · Astrophysics
How does the 'Faint Young Sun' paradox challenge our understanding of early Earth's climate?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It implies there was no liquid water on early Earth.
- 2It proves the Moon once had a dense atmosphere.
- 3It suggests that early solar output was too weak to prevent global freezing, contradicting evidence of liquid water.✓
- 4It shows Earth was too hot due to excessive solar radiation.
Correct answer
It suggests that early solar output was too weak to prevent global freezing, contradicting evidence of liquid water.
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