Parallax and then a return to

and then a return to the initial section

The abridged text makes the beloved tale of Dorothy and her travels accessible to even the youngest readers and fosters the development of reading skills

Techniques for representing data are presented within the context of assessing costs and benefits

Tables and standards useful to the craftsman (melting points and weights of metals

Parallax and then a return toThis lively and entertaining history of the long struggle to measure the distance to the stars will appeal to general readers as well as amateur and professional astronomers. Readers will encounter fascinating historical characters, from ancient Greeks to19th century scientists. Well illustrated, with contemporary pictures plus extensive notes on further reading. Reprint of the Henry Holt and Company, New York, 2002 edition. science history,