| GMD | Text |
| Classification | 523.1 B388 |
| Publisher | London, Macmillan Children's Books, c1983 |
| Subject | Cosmology -- Juvenile literature. |
| Series | Exploration and discovery.Universe - For children. |
| Description | 33 p. : ill. ; 28 cm. |
| ISBN | 9780333325100 |
| Additional ISBN | 0333325109 |