Astronomy › Section H · The Moon, Mercury, Venus, and Mars › Topic H.5
Venus and Mars: an overview
Venus and Mars are Earth's nearest planetary neighbours and the worlds we have explored most. One is nearly Earth's twin in size, the other a smaller sibling, and neither turned out remotely like home.
In this topic
- Our nearest neighbours
- Venus through a telescope
- Mars through a telescope
- The Martian canals
- Spins and seasons
- Worked example: a day on Venus
- A twin and a smaller sibling
- Worked example: radio signals to Mars
- Exploring them
- Common mistakes to avoid
- Key takeaways
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