How do we know about the Moon's interior?

What do you use to space objects evenly? What planet did Mae jemison go to? Who are the first man and women in the space? Is the sun brighter because it is closer than the other stars? What is a hink pink for distant ball of burning gas in space? Has anything ever landed on the sun? What is the length of millennium force? What is the first step in building a solar nebula? Is it possible for planet to collide with one another? What is the life cycle of arcturus? Is the planet closet to the sun the hottest? Why do satellites not fall to earth? Mars rotation around sun? What two countries did the most work in space? What is the name of the sun path across the sky? If your prediction is proven incorrect your should leave out all observations that don't support your prediction or simply change your prediction? What natural phenomenons are associated with Zeus? Will Hubble be back in the show bunheads? What day was the first liquid fueled rocket launched? How many times has the earth revolved around the earth since you were born?