This book examines the mysterious and the well-studied debris in Earth s crowded neighborhood. From orbiting comets to the workings of the Asteroid Belt, and from meteor showers to our home-grown network of orbiting satellites, the full diversity of space objects and the debris they create is explored. Powell also discusses some of the current research techniques used to find potentially harmful rogue elements, with an emphasis on keeping watch for any objects that may intersect Earth s orbit. Such bodies also impact other worlds, and much has been learned from observing these...
This book examines the mysterious and the well-studied debris in Earth s crowded neighborhood. From orbiting comets to the workings of the Asteroid Be...
'Fortress Wales' is a well researched book featuring selected castles throughout Mid, South and West Wales. As well as being a handy companion, 'Fortress Wales' is also an all encompassing guide to anyone wanting to find out more about Welsh history during the time when castles were very much in use. For Wales is the land of castles, where per square mile, its soil hosts more fortresses than anywhere else in Europe.
Written by an enthusiast who encapsulates everything one could wish to know about each castle, 'Fortress Wales' encourages the reader to rediscover the history and...
'Fortress Wales' is a well researched book featuring selected castles throughout Mid, South and West Wales. As well as being a handy companion, 'Fo...
