Comets and Meteors

by Heather Couper

Published 25 July 1985
Discusses the origins and behavior of cosmic debris, such as shooting stars, meteors, meteorites, and comets.


The Moon

by Heather Couper and Nigel Henbest

Published 27 November 1986

Quasars and Galaxies

by Heather Couper and Nigel Henbest

Published 27 November 1986

The Sun

by Heather Couper and Nigel Henbest

Published 26 June 1986