Overview

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.

ISBN-13

9780690044140

ISBN-10

0690044143

List Price

$13.95

Format

Hardcover

Pages

32 pages

Publisher

Ty Crowell Co

Published On

1984-09-01



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