Used to describe both binary systems and optical doubles, the term 'double star' has been familiar to astronomers since the seventeenth century. This book, first published in 1879, outlines the history of their study, and describes the methods and equipment needed in order to observe the fascinating phenomenon. Written for non-specialists by Fellows of the Royal Society Edward Crossley (1841–…
This handbook by George Frederick Chambers (1841–1915), a young and enthusiastic amateur astronomer, became a best-seller soon after its publication in 1861 and made Chambers' reputation as a popular astronomy writer. The work is divided into ten parts covering the following topics: the planets of our solar system; eclipses; gravity and tides; phenomena including aberration and refraction; co…
Humans have long thought that planetary systems similar to our own should exist around stars other than the Sun, yet the search for planets outside our Solar System has had a dismal history of discoveries that could not be confirmed. However, this all changed in 1995, after which astonishing progress can be seen in this field; we now know of more than 200 extrasolar planets. These findings mark…