Авиация / Sky & Telescope - April 2021

Название: Sky & Telescope - April 2021
Страниц: 88
Язык: English
Формат: True PDF
Размер: 16 MB

Sky & Telescope is magazine covering all aspects of amateur astronomy. The articles are intended for the informed lay reader and include detailed discussions of current discoveries, frequently by participating scientists. The magazine is illustrated in full color, with both amateur and professional photography of celestial sights, as well as tables and charts of upcoming celestial events.