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30 апр 1784 г. - Bessel
Описание:
How to calculate the distance between stars using parallax
Добавлено на ленту времени:
Astronomers Timeline
By
Elijah Hatcher
7 ноя 2018
0
0
320
Дата:
30 апр 1784 г.
Сейчас
~ 241 г назад
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