Comets
By: [by] David C. Knight.
Publisher: F. Watts
Published: 1968
Place of publication: New York
Language: eng
Number of pages: 85
Subjects: Comets -- Juvenile literature.; Comets.
Description: A study of comets, including the structure and composition of their various parts, their orbits and relation to the sun, their origin, their discovery by man, and descriptions of some famous comets.