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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 янв 1842 г. - Christian Doppler discovers the Doppler Effect.
Добавлено на ленту времени:
Brad, Ryan, Jack, Charlie
By
Charlie Young
25 сен 2017
0
0
658
Дата:
1 янв 1842 г.
Сейчас
~ 183 г назад
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