An overview of comets with particular reference to Halley's comet prior to its last return in 1986.
First appeared in "Modern Maturity", December 1985-January 1986
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1992 |
|
On the Past, Present & Future - 66 Essays | Barnes & Noble Books | Nonfiction | 129 |