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.
13
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
On average, men's noses are 10% larger than women's.
12
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
6
The Caspian Sea is also classed as the world's largest lake.
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