Do You Remember All the Laws of Physics Properly?

Ocesdesna besois says, my question may be silly. No, it's never silly. Don't ever feel your questions a silly o do you think that as a scientist, one could instantly remember all the laws of physics and not forget certain things? My teacher told me that since you were to become an engineer, so remember all the law of physics properly. Butdoes that mean that at any random instant, scientists can recall all the lawsof physics properly? Well, you see, see, it's like this. A moon can have its own moon, and even that moon can have another moon of its own. It's just simple, basic newtonian mechanics. Yes