Today is October 3, 2017. What a significant event in the life of all mankind happened on October 4, 1957
September 16, 2020 | Education
| Today is October 3, 2017. What a significant event in the life of all mankind happened on October 4, 1957. Remember what kind of event it was and what do you know about it?
On October 4, 1957, in our country, the world’s first artificial satellite of the Earth was launched into orbit. The mass of the satellite was 83.6 kg, diameter -58 cm. He flew 92 days, made 1440 revolutions around the Earth.
