Unless the batteries give out, or the satellite goes on the blink.

Probably at least four were in the air when the satellite went overhead.

But satellites could go up and spit sparks in outer space.

The satellites are already going back into orbit, and we owe it to those eight million people to free them.

On the other hand, if the satellite goes too slowly, gravity will pull it back to Earth.

He only hoped his message had gotten to David's computer before the satellites went down.

Out went the satellite, an item expected to fetch up to $100,000.

The first photos will go up for sale two to three months after the satellite goes into orbit, company officials say.

Even with gravity, if the intended satellite goes too fast, it will eventually fly away.

Large satellites with lifetimes of 10 or 15 years often go only partly used.