Everything around us is measured in numbers: With very, very small numbers when we measure the size of a baby shrimp and with very large numbers when we measure our solar system.

Sometimes do you wonder... How many times per minute does a bear's heart beat? How many kilometers do you need to travel to reach the moon and come back? And how many to get to Saturn? How far are the clouds?

What happens when you keep adding zeros to the end of a number? In this book, you will find all the answers!