Treasures of the RAS

The Library and Archives of the Royal Astronomical Society contain books, images and documents significant in the development of scientific thought in astronomy, geophysics and related disciplines. This series of articles and videos reveal some of the highlights of the collection.
The Objectivity team visted the RAS Library and Archives to look at beautiful depictions of comets with Sheila Kanani. This video features works by Johannes Hevelius and John Henry Griesbach.  For the full series of videos on the Objectivity YouTube…
Johannes Kepler Johannes Kepler was a German mathematician and astronomer, and a leading exponent of the Copernican heliocentric system. He is most famous for his laws of planetary motion. A contemporary of Galileo, he succeeded Tycho Brahe as…
In this edition of Treasures of the RAS, Librarian Jenny Higham introduces the first scientific map of the Moon, made by Giovanni Cassini in 1679. This detailed engraving of the surface of the Moon was based on Cassini's own observations made with a…
  In this edition of Treasures of the RAS, Librarian Jenny Higham introduces De Revolutionibus Orbium Coelestium by Nicolaus Copernicus, one of the most important works in the history of astronomy. In this book published in 1543, Copernicus proposed…
  In this edition of Treasures of the RAS, Librarian Jenny Higham introduces Astronomicum Caesareum by Peter Apian. This gorgeously coloured book was published in 1540. This book was produced for Charles V, Holy Roman Emperor, and only a few were…
In this edition of Treasures of the RAS, Librarian Jenny Higham introduces the first scientific star atlas, made by Johann Bayer in 1603. Why do some stars have names with Greek letters in them? Bayer's atlas was the first to identify stars within…
In this edition of Treasures of the RAS, Librarian Jenny Higham introduces Starry Messenger by Galileo Galilei. In 1610 Galileo published this book describing his observations of the sky with a new invention - the telescope. In it he describes his…
In this edition of Treasures of the RAS, Librarian Jenny Higham introduces The Sphere by John of Holywood. Astronomy was widely taught in medieval universities. This textbook from 1485, in the early days of printing, shows that these students…
In this edition of Treasures of the RAS, Librarian Jenny Higham introduces a teaching aid for astronomy, Urania's Mirror, published in 1824. Victorians could learn about the night sky using these pretty pictures of the constellations. The cards had…