Describes comets and early comet watching, explores the history and characteristics of Halley's Comet, and relates how people around the world are preparing for its return in 1986.
Describes the characteristics of various types of comets and their relationship to Earth with specific emphasis on Halley's comet, its appearances throughout history, and the preparations for its return in early 1986. Includes a glossary of terms.
Explains the nature of comets, what is known about Halley's comet, and various countries' plans to study it in 1985 and 1986. Makes suggestions for maximum viewing enjoyment.
Presents the history, appearance, and physical composition of Halley's comet and compares it to other comets, describing its path through the solar system and its predicted return.
