True or false: Earth is the only body in our solar system with water. If you said true, perhaps you didn't hear about the LCROSS mission in which NASA crashed a probe into Earth's moon looking for water. Learn about the mission and its goals in the brief video here, created just two weeks after the impact on the moon. After watching the video, have your young astronomers do some research online: what did the LCROSS mission discover? H2O or no H2O? That is the question.