OL11183129M
Comets with Book
Franklyn M. Branley
- Publisher
- HarperCollins Publishers
- Published
- August 1987
- ISBN-13
- 9780694001996
- ISBN-10
- 0694001996
- Work ID
- OL121324W
Description
Explains what comets are, how they are formed, and how their unusual orbits bring them into earth's view at predictable intervals, with a special focus on Halley's comet