We wouldn't be allowed to leave Earth orbit without them.

But it had been months since he'd even left Earth orbit.

It will be due in my hands when we return to Earth orbit.

The ship has therefore been in Earth orbit for the past four years.

"I'm the one who wants to live long enough to retire in high Earth orbit, remember?"

The first time was shortly after we broke Earth orbit.

Floyd had made up his mind even before leaving Earth orbit.

To place a small satellite into Earth orbit, twice in one week.

At that time, no American had reached earth orbit, much less flown 240,000 miles away.

The rocket can place about 50,000 pounds into Earth orbit.