Bøger af Peter Grego

Ice and Fire: Great Comets to Come was written because a special celestial event climaxes towards the end of 2013 - the arrival, fresh from the Oort Cloud, of Comet C/2012 S1 (ISON).

This revolutionary new book is written for practical amateur astronomers who not only want to observe, but want to know the details of exactly what they are looking at. The Moon and How to Observe It is a mine of information for all levels of amateur observers, from the beginner to the experienced