The highest-rated program in seven star systems has finally arrived on Earth. Micronaut, the great space explorer, will explore this immense and exotic planet, but for this difficult task, Micronaut will count on the help of cadet Keka and Xb-12, her tiny robot companion. Planet Earth can be incredibly dangerous when you are only 30 microns tall (1 micron is one thousandth of a millimeter); a tiny ant can be the scariest creature you have ever seen!