The Soviet Union's leading position in the space age.

The United States and the Soviet Union competed, and the Soviet Union immediately announced that it was also 1957 launch. The two countries have developed silently. Unexpectedly, while people were watching, the Soviet Union took the lead and won a great publicity victory. 1958 March 15, the Soviet union launched the third artificial satellite; The United States immediately launched the second one, "Pioneer 1". Then the Soviet Union has been leading, and the recycling technology has been constantly accurate. 1960, the Soviet Union launched a moon satellite. Before that, a Soviet satellite had hit the moon. 1960 August 15, the Soviet union recovered "capsule 2" carrying two dogs and some plants. 1960, the Soviet Union launched its first meteorological satellite. Since then, the satellite missions of the Soviet Union, the United States and other countries have become increasingly complex. There are military satellites, meteorological satellites, geological exploration satellites and information dissemination satellites. Artificial earth satellites can observe plant growing areas, snowmelt, mineral deposits and even forest fires. Meteorological satellites can observe typhoons very well, especially suitable for observing the sea and desert. Communication satellites can spread TV programs to tens of thousands of kilometers away.