In the "Really Important Stuff" department...

At one time, we told our children, "the moon is made of green cheese." I don't know why. I was one of those children but I was skeptical. I was likely skeptical because I was told so many things that were purely fantasy and made no sense even to a small child. Or because I had an older brother and sister who loved to make me feel foolish for believing anything an adult told me.

Santa Claus, the Easter Bunny, Superman, and so much more. So many disappointments so early in my life.

Turns out we can only theorize about the moon. We think the moon was formed from a chunk of earth after an impact as the planet itself was still in the forming stages.

And now we think we have an idea why the moon doesn't have a global magnetic field like the earth does. Just regions where magnetic fields reside and other regions where there are no magnetic fields.

What? You didn't know this? No one told you?

http://articles.latimes.com/2012/mar/09/science/la-sci-moon-magnetic-field-20120310