1 ч 1 мин, 1 янв 1619 г. - Kepler Publishes 'World Harmony"
Описание:
Kepler published his second book "World Harmony" in 1619 which included Kepler's third law of planetary motion. The exact date in the year is unkown.
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1 ч 1 мин, 1 янв 1619 г.
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~ 407 г назад