Astronomy › Section H · The Moon, Mercury, Venus, and Mars › Topic H.6
Venus: geology and atmosphere
Venus is almost exactly Earth's size, yet its surface is hot enough to melt lead under air nearly a hundred times thicker than ours. Radar has shown us a young, volcanic landscape, and the atmosphere shows what a greenhouse effect can do when nothing holds it back.
In this topic
- Seeing through the clouds
- Plains, continents and mountains
- Volcanoes and coronae
- Tectonics without plates
- A young surface
- A crushing atmosphere
- Worked example: how heavy is the air?
- The greenhouse effect on Venus
- Worked example: Venus without a greenhouse
- Where did the water go?
- Common mistakes to avoid
- Key takeaways
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