1 янв 1609 г. - Keplar
Описание:
Johann Kepler has discovered that Mars is moving about the sun not in a perfect circle but in an ellipse – contradicting Plato's belief about perfection and the heavens.Добавлено на ленту времени:
Дата:
1 янв 1609 г.
Сейчас
~ 417 г назад