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17 янв 1781 г. - Herschel

Описание:

El astro nomo inglés William Herschel inclino el espejo de su telescopio y ubico el ocular para que no obstruyera los rayos incidentes.

Добавлено на ленту времени:

Telescopio Evolucion

ByRAÚL BETHENCOURT
16 окт 2018

Дата:

17 янв 1781 г.
Сейчас
~ 243 г назад
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