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1 янв 1783 г. - William Hershel, a British Astronomer, measures Mars' axial tilt with his reflecting telescopes. He also believes the planet has polar ice caps.
Добавлено на ленту времени:
28 янв 2018
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History of Mars by Juan Centeno
Дата:
1 янв 1783 г.
Сейчас
~ 241 г назад
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