Describes the structure and special features of a variety of binoculars and telescopes and discusses the use of these instruments for studying birds, stars, arc

A guide to viewing stars, the moon, planets, meteors, comets, and aurora through binoculars. Features a foreword by renowned astronomer and writer David Levy. I

Binocular Highlights is a tour of 96 different celestial sights ? from softly glowing clouds of gas and dust to unusual stars, clumps of stars, and vast star ci

Om teleskoper og brugen deraf, optiske instrumenter, målinger med mere

Binocular Highlights is a tour of 109 different celestial sights--from softly glowing clouds of gas and dust to unusual stars, clumps of stars, and vast star ci