The moon is always there. Lighting up the night sky, controlling our tides and inspiring philosophers, thinkers and writers. But why does Earth have just one moon? Some of the other planets have lots of them. Jupiter has 79! And some have none at all. It's all to do with the history of our Solar System, and it all started around 4.5 billion years ago...
Moon, One moon, Earth moon, Jupiter moon, Moon cycle, Full moon, Lunar, How many moons, Jupiter, Solar System, Ganymede, Ganymede moon, Titan, Titan moon, Most moons, Is the moon, What is the moon, Only one moon, Multiple moons, More than one moon, What does the moon, History of Earth, History of Jupiter, History of the Solar System, Jovian planet, Documentary, Education, Unveiled, What If, Getty,