When the first satellite called the Sputnik was launched into space, it was about the size of a beach ball.
Sputnik:
The satellite was about 22.8 inches in diameter when measured which is about the size of a beach ball and it was able to stay in space for about an hour and half.
In conclusion, it was about the size of a beach ball.
Find out more about Sputnik at https://brainly.com/question/794381.