リンク New Scientist Moons can have moons and they are called moonmoons If a moon is big enough and far enough from its planet, it can host its own smaller moon, called a ‘moonmoon’ - and four worlds in our solar system fit the bill 43229 Danielle Evans @daniellevalore There are at least 17 poets who have been waiting their whole lives for the chance to name the moon of a moon and then scientists jus