A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
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 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
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
A single speck of dust is half way in size between a subatomic particle and the Earth.
15