The immediate reason for the creation of Calderon's book is the expected arrival of Halley's comet. In addition to the extremely interesting text, this book includes an abundance of first-class photographs, illustrations, and a bibliography.
In this book you will find many interesting facts about the universe, life and people who devoted their time to exploring the unknown, and about the invisible threads that connect everything alive on Earth.
The book contains a lot of interesting information for children and adults. There are answers to questions about why people fly into space, what astronauts eat, how they sleep, where they empty trash cans, and at the same time answers to questions related