Blader door items (42 in totaal)

More than 2,000 years ago, Eratosthenes, in Alexandria, used a stick, a hole in the ground, sunllght at summer solstice, and elementary geometry to measure the circumference of the Earth with surprising accuracy, long before anyone was able to…

An up-to-date, thorough treatment of the standard, planetary aspects of celestial mechanics as well as the more modern problems of rockets and spacecraft. Sections on initial orbit determination, perturbation theory, and astrophysics are unique in…

The Explanatory Supplement provides a detailed description of how to perform practical astronomy or spherical astronomy. This completely revised and rewritten edition is an authoritative source on astronomical phenomena and calendars.

Now in its fourth edition, this highly regarded book is ideal for those who wish to solve a variety of practical and recreational problems in astronomy using a scientific calculator or spreadsheet. Updated and extended, this new edition shows you…

Knowing the distance of an astrophysical object is key to understanding its formation and evolution. Without an accurate distance, we do not know how bright it is, how large it is, or even when it existed. This volume highlights the tremendous amount…

This is an introductory textbook on spherical and positional astronomy. It is entirely suitable for use by students with no prior knowledge of classical astronomy. At the same time, it is sufficiently comprehensive to make it a useful background…

Teaching text developed by U.S. Air Force Academy and designed as a first course emphasizes the universal variable formulation. Develops the basic two-body and n-body equations of motion; orbit determination; classical orbital elements, coordinate…

Longtemps, l'homme a rêvé de s'envoler vers la Lune ou bien plus loin encore... Mais pour y parvenir, il fallait d'abord rassembler tant de connaissances scientifiques et technologiques que plusieurs siècles furent nécessaires. Théories de la…