When Learning About Light, We Predicted That Venus Should Have

question 83

Multiple Choice

When learning about light, we predicted that Venus should have a temperature of 250 K based on its albedo and distance from the Sun. Why is Venus's observed average surface temperature equal to 740 K, which is hot enough to melt lead?

• A) Venus has slow, retrograde rotation, and its seasons are very long.
• B) Venus has many active volcanoes that release heat into its atmosphere.
• C) Venus has a very thin atmosphere, and more sunlight falls onto its surface.
• D) Venus has a strong greenhouse effect.
• E) Venus has a highly eccentric orbit and is sometimes much closer to the Sun than other times.

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