A.The Russian name for the spacecraft means traveler .B.It was launched toward the end of the 1950s.C.It was resulted from Soviet and American scientists.D.The spacecraft was a small aluminum ball fitted with a radio.
A.The Russian name for the spacecraft means "traveler".
B.It was launched toward the end of the 1950s.
C.It was resulted from Soviet and American scientists.
D.The spacecraft was a small aluminum ball fitted with a radio.