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jan 4, 3000 BC - Наблюдения за Сириусом

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3 тыс. лет до н. э.(Египет) - по наблюдениям за появлением Сириуса довольно точно была определена продолжительность тропического года.

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Этапы развития астрономии

ByВика Сухоплюева

11 Feb 2018

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3680

Date:

jan 4, 3000 BC

Now

~ 5029 years ago

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