First artificial satellite was launched in?
(A) 04 October 1951
(B) 04 October 1957
(C) 04 October 1961
(D) 04 October 1967
Correct Option is: B
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First artificial satellite was launched in?
(A) 04 October 1951
(B) 04 October 1957
(C) 04 October 1961
(D) 04 October 1967
Correct Option is: B