Question

How does the greenhouse effect work? On which planet is it the strongest?

Answer 1

Some atmospheric gases allows sun light to enter the planet but does not allow the reflected infra red rays to get out.So heat is trapped in the atmosphere.

Explanation:

On Venus we have maximum green house effect.That is why its surface is 480 degree C hot more than Mercury.
Green house gases.carbon di oxide, Methane. water vapor etc. \
Picture credit astrocamp school.org.