[Music] [Applause] This is our home. It goes by various names. Silver River, Spirit Road, Winter Street.The Romans thought of it as a road traveled by the gods and named it Via Latea or Milky Way. This was an adaptation from the Greeks who called it Kuclo Galaxius or Milky Circle. The first thing I want you to do is just admire it.Our ancestors have done so for countless generations. It contains over 100 billion stars. Although you can only see some of them individually by eye, most of them are so distant t ...