... Newton realized that apples, the moon, and the planets all obeyed the same law of gravitation, that they were all falling under an inverse square law When Newton found that the mathematics of the ... Observatory was supposed to give a talk about the age of the universe, the previous speaker announced sarcastically, “What you will hear next is all wrong.” And Sandage, hearing of how a rival group ... astronomers around the world are now speculating about what these parallel worlds may look like, what laws they may obey, how they are born, and how they may eventually die Perhaps these parallel worlds...