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The More You Know

• The loudest animal on earth is the sperm whale.
• The sun and moon appear to be the same size in the sky because of an astonishing coincidence: the moon is 400 times smaller but 400 times closer.
• A German and British aeroplane shot each other down in Norway during WWII. The crew met and helped each other survive. Two of them later visited each other many years after the war was over as friends.
• The glow around the moon is called a "broch."