The milky way has a radius of approximately 50,000 light years. The visible universe has a size of approximately 15 billion light years. If the milky way is represented by an 8 centimeter wide coffee cup, how big would the rest of the universe be in kilometers

The milky way has a radius of approximately 50000 light years The visible universe has a size of approximately 15 billion light years If the milky way is repres class=