Sabine,
Edward
Sagan,
Carl
Sandage,
Allan R.
Scheiner,
Christoph
Schiaparelli,
Giovanni (Virginio)
Schwabe,
Samuel Heinrich
Schwarzschild,
Karl
Schwarzschild,
Martin
Secchi,
Pietro Angelo
Seyfert,
Carl (Keenan)
Shapley,
Harlow
Shoemaker,
Eugene M.
Sitter,
Willem de |
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