The Night Sky - Parasites on Other Planets

Daniel and horhay explain the universe, where we have just invented the field of exo parasitology. We think that our tiny, little, squishy human brains are weirdly, somehow capable of understandng the deepest cosmic mysteries. What is out there? How does it work? What squirmy lttle beings are living on the backs of other squirmy little beings around other stars?