Product Description: Erasmus Darwin has often been cited as the most widely talented man of the past 250 years. He excelled in medicine and poetry, was an inventor and wide ranging man of science, and founded several societies. This 2006 collection of 460 of his letters provides an insight into the life of this amazing man...read more

Product Description: Satellites as they cross the night sky look like moving stars, which can be accurately tracked by an observer with binoculars as well as by giant radars and large cameras. These observations help to determine the satellite's orbit, which is sensitive to the drag of the upper atmosphere and to any irregularities in the gravity field of the Earth...read more

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Product Description: It has been said of Erasmus Darwin that no one from his day to ours has ever rivalled him in his achievements in such a wide range of fields. The most striking of Darwin's many talents was his extraordinary scientific insight in physics, chemistry, geology, meteorology, and all aspects of biology—his deepest insight being his evolutionary theory of life...read more

This is a scholarly study that reviews the works of Shelley in the context of their time It is designed as an introduction to the poet's work and ideas.

Introduces the amateur astronomer to the professional tracking methods used to observe satellites

Product Description: Book by King-Hele, Desmond