Introduction

The hubble wrihte tells us how fast the universe is expanding throughout time. Knowing this rate helps us find out how old the universe is, what the shape of the universe is and what the future of the universe will look like. But when physicists try to measure this expansion rate in different ways, they seem to get different answers. When will we know for sure who measurement is right? And a very special guest after the break this episode, owy, this universe is supported by one dream.