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

David Levy brings these "ghostly apparitions" to life. With fascinating scenarios both real and imagined, he shows how comets have wreaked their special havoc o

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

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

A comprehensive family reference guide to all the amazing phenomena of our night skies, with helpful charts and detailed photography This comprehensive introduc