Question

What was the name of the Earth's first artificial satellite? No hint available for this question
Sputnik 1
Telstar 1
Telos 1
Explorer 1

Answer 1

Sputnik I
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. https://en.wikipedia.org/wiki/Sputnik_1

Answer 2

ok A thanks

Answer 3

that is correct