Part-history of the cosmos, part-intellectual adventure, this book travels from the Big Bang to the distant future via parallel... Læs mere
‘There is evidence to suggest that our world and everything in it – from snowflakes to maple trees to falling stars and spinning electrons – are only ghostly images, projections from a level of reality literally beyond both space and time.’
The Almanac Journal is a tool to help you pause and observe, to notice the changing seasons and what impact they have on you.
Astronomer Royal Martin Rees shows how the behaviour and origins of the universe can be explained by just six numbers.
Black holes are the universe's strangest and most fascinating objects. In A Brief History of Black Holes, Dr Becky explores the mysteries and realities of this misunderstood phenomenon – and that nearly everything you know about them is wrong.
Was there a beginning of time? Could time run backwards? Is the universe infinite or does it have boundaries? This book examines these questions. It... Læs mere
A guide to buying, adjusting, using, and repairing sextants. It includes a list of distributors, manufacturers, and dealers worldwide, a discussion of various trends, and hints, including sighting with eyeglasses and using a Rude starfinder.