Answers to the following questions can be found inside this book:

* why are the other planets in the solar system unlike Earth - expecially regarding climate?

* what are black holes and wormholes - can we travel into hyperspace?

* how did the universe begin and are we the only living beings in it?

This is volume 4 in Spinning Through Space .

There are 32 pages in this book. This book was published 2000 by Hachette Children's Group .

Dr Mike Goldsmith works at the UK's National Physical Laboratory. He has worked on a variety of science topics, including sound and space. He has written several books for children.