No man had ever seen the other side of the Earth's satellite.

At the next pass of the satellite several hours later, it was gone.

Thus there is a trade off between the number of satellites and their cost.

And the hope of the former Soviet satellites is at risk, too.

The Government must bear the cost of the lost satellite.

Nothing in the film calls attention to the purpose of the satellites.

For another, the mass of the satellite has dropped out.

No one would think of satellites in connection with life.

China started developing this kind of satellite in the early 1970s.

The first class of satellite built by Korea, the program started in the 1980s.