David Levy has held a lifelong passion for comets, and is one of the most successful comet discoverers in history. In this book he describes the observing techn

Meteors occur when a meteoroid, a speck of dust in space, enters the Earth's atmosphere. The heat generated when this happens causes the surrounding air to glow

In this highly accessible book David Levy teaches the reader how variable stars work, and how to observe them.

The perfect introduction for the novice astronomer, this book stirs the imagination and puts observation in a framework of social activity and personal adventur

When can you see fireballs and who should you contact if you spot one? When is it best to hunt for comets and meteors and whereabouts? How do you gauge the size