Choose the correct answer:

The First artificial satellite launched by the Soviet Union was ______________.

With the development of technology, new techniques like remote sensing can be used for analysing the change in the stock of natural resources occurring in the world. The depletion and accumulation of resources can be identified from the satellites launched. Artificial is an extra-terrestrial body that is launched to understand the occurrences in the space, earth or other planets. The Soviet Union launched the first artificial satellite in1957. It was named as Sputnik I.