The time has come to start your outer space journey, so take your space suit on, lace your space shoes, check if there is enough oxygen in your container and step on the doorstep of a space ship! You are on your way to the unknown and very mysterious planetary system. It is similar to ours, but there is something strange about it – it seems like the time is running around the circle here, repeating the same period over and over again. What kind of a paradox is that? You are the one to find out!