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Виллем де Си́ттер (may 6, 1872 – nov 20, 1934)
Description:
Виллем де Си́ттер (нидерл. Willem de Sitter, 1872—1934) — нидерландский астроном
Added to timeline:
16 Feb 2018
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575
Исследование Марса
Date:
may 6, 1872
nov 20, 1934
~ 62 years
Images:
