Our lovely and comfortable home here on Earth is a long way away from the end of our solar system. Here on Earth concepts of boundaries involve rivers, lakes, mountains, human imposed borders, and so on. However, this is not how the limits of our solar system are established. There is not one point that defines the end, but there is definitely an end and it’s really far from here. Listen to the latest Question Your World Radio Report from the Science Museum of Virginia to learn more.