Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
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The Caspian Sea is also classed as the world's largest lake.
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The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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A single speck of dust is half way in size between a subatomic particle and the Earth.
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An African Baobab tree in South Africa, known as Big Baobab, has a circumference of 154 feet and even has a bar inside the trunk that can fit 60 people.
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