This title explores:

How a comet 'visits' the Earth at regular but slightly different times

The travelling mannerisms of asteroid belts

The effects of an asteroid hitting our planet

Looks at how humans have explored outer space using different space craft

This is volume 6 in Spinning Through Space .

There are 32 pages in this book. This book was published 2001 by Hachette Children's Group .

Eva M Hans is Senior Lecturer in charge of the Planetarium and Observatory at South Tyneside College, England. She is also Vice-President of the Association for Astronomy Education and secretary of the British Association of Planetaria.