What, How, Why : Inventions

Explore this fascinating reference filled with facts and answer all your questions about space! An easy-to-read reference in a Q&A format that helps curious minds analyse information and develop creative ways of thinking.

Over the course of history, people have looked skyward and asked themselves so many question. How many stars are there? What is a comet? What lies beyond the solar system? Can we travel to other planets? These days, we can answer many of those questions!