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An updated third edition of Bradt’s practical guide to the best places to view the Northern Lights, the only guidebook that caters to the large number of people whose dream is to see the aurora borea …

The Structure of the Universe by Paul Halpern, Ph.D., originally published in 1996, is a tour of the knowledge of the deep reaches of space and predictions for its future.Technological marvels such a …

Over the last 50 years, a variety of techniques have been developed to add a third dimension to regular imaging, with an extended spectrum associated to every imaging pixel. Dubbed 3D spectroscopy fr …

This book discusses cosmology from both an observational and a strong theoretical perspective. The first part focuses on gravitation, notably the expansion of the universe and determination of cosmol …