Space Images For Students
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volcanic domes on Venus
Venus 'Pancake' Domes on Venus
Don't grab the syrup just yet. These round features are volcanic domes, or pancake domes. They have broad, flat tops.  These domes are about one-half mile high and almost 40 miles in diameter. The cracks and pits are formed by the cooling or stretching of lava.

Images like one this from the Magellan spacecraft show interesting features on Venus.
Image credit: NASA/JPL