low-Earth

The density of space junk peaks around 620 miles up, in the middle of so-called low-Earth orbit.

Slate Magazine Sam Kean 2011

Unquestionably, Apollo 8, the first time humans traveled beyond low-Earth orbit, and Apollo 11, the first landing of humans on another world, were milestones not just in aerospace history but in world history.

Zoe P. Strassfield: "Thinking Our Way To The Moon" Zoe P. Strassfield 2011

NASA is retiring the shuttles, according to the program manager, so it can get out of low-Earth orbit and get to points beyond.

Crowd welcomes home, thanks final shuttle crew 2011

NASA is retiring the shuttles, according to the program manager, so it can get out of low-Earth orbit and get to points beyond.

Crowd welcomes home, thanks final shuttle crew 2011

NASA is sacrificing the shuttles, according to the program manager, so it can get out of low-Earth orbit and get to points beyond.

Space Shuttle Atlantis Makes Historic Final Landing, Ending 30-Year Era (VIDEO) 2011

Unquestionably, Apollo 8, the first time humans traveled beyond low-Earth orbit, and Apollo 11, the first landing of humans on another world, were milestones not just in aerospace history but in world history.

Zoe P. Strassfield: "Thinking Our Way To The Moon" Zoe P. Strassfield 2011

NASA is under presidential direction to spread its wings beyond low-Earth orbit.

Space shuttle Discovery lands, ends flying career 2011

Our vision for the future is clear: hand off low-Earth orbit transportation to the private sector; develop the technology and vehicles needed to explore deep space, eventually landing a human mission on Mars; and help develop quieter and cleaner airplanes, all while inspiring our young people to out-innovate and out-compete the rest of the world.

NASA Will Continue U.S. Space Leadership 2011

Unquestionably, Apollo 8, the first time humans traveled beyond low-Earth orbit, and Apollo 11, the first landing of humans on another world, were milestones not just in aerospace history but in world history.

Zoe P. Strassfield: "Thinking Our Way To The Moon" Zoe P. Strassfield 2011

"The one risk is that China could use the station to monitor its military constellations in low-Earth orbit as well," said James Moltz , an expert on space security at the Naval Postgraduate School in California.

China, U.S. Use Same Tracking Base Jeremy Page 2011