Blader door items (2379 in totaal)

Unveil the Universe includes material on almost every aspect of astronomy, beginning from first principles. It is unique in providing a level of scientific accuracy and detail found in no other introductory book, in addition to a wealth of material…

Uit de reeks 'Cultuur en wetenschap' N°12
Algemene Sterrekunde
Ons Zonnestelsel

This book describes what will ultimately happen to the contents of the universe. To understand the universe in the far future, we must first describe its present state and structure on the grand scale, and how its present properties arose. Dr Islam…

A variable star is a star whose brightness as seen from Earth (its apparent magnitude) fluctuates. This variation may be caused by a change in emitted light or by something partly blocking the light, so variable stars are classified as either

Astro Navigation Demystified. The ultimate book of the series; it is a complete course in astro / celestial navigation. This unique self-teach course comprehensively covers all relevant elements of the examination syllabuses of the main sailing…

Astronomy For Astro Navigation. This book focuses on those aspects of astronomy that are essential for a complete understanding of astronavigation - a must for sailors, navigators, nautical colleges and navigation tutors. The only book of its kind -…

Getting started in amateur astronomy can be frustrating. Without a helpful friend to lend advice, choosing a telescope, learning the buzzwords, or viewing the deep sky season by season can seem daunting. Now amateur astronomers can turn to The Guide…

Jack Zirker takes us on an imaginary voyage from the centre of the sun to its surface, showing us how sunlight is made and finally following the sun's energy to the far reaches of the solar system. Along the way, he introduces the basic processes at…