Cet auteur est un créateur prolifique de fiction de genre, axé sur des récits captivants et pleins d'action. Ses œuvres explorent souvent des thèmes de combat, de survie et de découverte de vérités cachées. Il entraîne les lecteurs dans des mondes pleins d'intrigues et de dangers, où les personnages font face à des défis implacables. Son écriture se distingue par sa capacité à tenir le public en haleine du début à la fin.
Amateur astronomers are always on the lookout for new observing challenges. This exciting book retraces the steps of the greatest visual observer and celestial explorer who ever lived. This is a practical guide to locating and viewing the most impressive of Herschel’s star clusters, nebulae and galaxies, cataloging more than 600 of the brightest objects, and offering detailed descriptions and images of 150 to 200 of the best.
Double & Multiple Stars, and How to Observe Them is written specially for practical amateur astronomers who not only want to observe, but want to know and understand the details of exactly what they are looking at.Increasing light pollution throughout the world does not affect the viewing of double and multiple stars, unlike most classes of deep-sky objects. More and more amateur astronomers are turning to this interestingand scientifically usefularea.The concept of the bookand of the seriesis to present an up-to-date detailed description of the objects, their physics and their evolution (part one); and then (part two) to consider how to observe and record them successfully.Double & Multiple Stars, and How to Observe Them is a mine of information for all levels of amateur observers, from the beginner to the experienced; it is equally fascinating for practical astronomers, and also for those who simply want to find out more about these unusual star systems.
