Our moon is huge compared to the size of the earth, almost a quarter of the size of our planet. The other rocky planets don't even really have moons. Our giant, weird moon is one of the biggest mysteries in planetary science. We have no idea why the moon is here. An it's the moons ike. This is some strange, far away thing. I meredith hadnot and this is lost worlds,. A new series from able exploring scientific mysteries buried in the deep, deep past. How did we get our moon? You're looking at tha kind of world that has nicesti millions of years tas an existent... It's almost as if time f