Q495
When was Sputnik 1 launched?
A.
1970
B.
1957
AnswerC.
1980
D.
1990
Answer: Option B
Solution
Answer: Option B
Solution:
History changed on October 4, 1957, when the Soviet Union successfully launched Sputnik I. The world's first artificial satellite was about the size of a beach ball (58 cm.or 22.8 inches in diameter), weighed only 83.6 kg. or 183.9 pounds, and took about 98 minutes to orbit the Earth on its elliptical path.