Oliver and Alice go on a trip to the countryside. It is a sunny day, the sky is big and blue, full of light and clouds and other things that cannot be made out at all well. Looking at the sky, looking far away is something that human beings have always done. And by looking and looking, we discovered the solar system and later on, the universe. Today, Oliver and Alice experience this ancient surprise and they are lucky, because Alice's mother is an astronomer and she can tell them lots of things that they would never have imagined...