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

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

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 109 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