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==Key Stage 2=====Meaning===A moon is a large [[rock]] which [[Orbit|orbits]] a [[planet]]. ===About Moons===: If it goes around a [[planet]] and it was not made by humans then it is called a [[moon]].: The [[Earth]] has one [[moon]] called [[The Moon]].: Some [[planet]]s have no [[moon]]s like [[Mercury]] and [[Venus]].: Some [[planet]]s have many [[moon]]s. [[Jupiter]] has 67 [[moon]]s.