Question

sputnik was the first unmanned satellite launched into orbit in 1957.
during which decade were manned satellites first sent into orbit?
○ 1970s
○ 1960s
○ 1950s
○ 1940s

Explanation:

The first manned orbital flight was Vostok 1, launched in 1961 by the Soviet Union, carrying Yuri Gagarin. This falls within the 1960s decade.

Answer:

1960s