Almost 10 years ago, Professor Astrokatz embarked on a journey into space. In the world of science, 10 years is a lifetime. New discoveries are constantly being made, theories are corrected, and new questions arise. By now, Professor Astrokatz has also explored the realms of physics, the human body, and the deep sea. He conveys his insights on complex scientific topics in an enjoyable and child-friendly manner. The new edition of "Universe Without Borders" is up to date with the latest scientific advancements. It addresses topics such as space debris, black holes, deep space, the end of the universe, spacesuits, rockets, and their development over the years. The book is released with a new cover and refreshed interior pages.