Series:

Watts Library

3 total works

Cover of Venus

Venus

by Ray Spangenburg

Published 1 March 2001

Cover of The Sun

The Sun

by Ray Spangenburg and Kit Moser

Published 1 March 2001

Cover of Mercury

Mercury

by Ray Spangenburg

Published 1 March 2001
Describes the orbit, temperature, surface formations, composition, and theories of formation of the planet Mercury, and the probe Mariner X that took pictures of it in 1974 and 1975.