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1 янв 1948 г. - New Largest telescope!

Описание:

US astronomers built a telescope with a 5-meter(200-inch) diameter mirror on Palomar Mountain in Southern California. It remained the largest visible-light telescope in the world for several decades.

Добавлено на ленту времени:

Дата:

1 янв 1948 г.
Сейчас
~ 77 г назад