10 NASA space technologies that may never see the cosmos

NASA has robots, rockets, inflatable homes and lots of other advanced technology that may never lift off.

What about the network?: In a white paper issued last fall, NASA said its sophisticated Deep Space Network would be modified to meet new performance and interoperability requirements for its planned moon shots. NASA stated: A small constellation of Lunar Relay Satellites (LRS) will be placed into orbits with long-term stability that provide periodic coverage of the entire surface of the Moon as well as Low Lunar Orbit (LLO). NASA said the Interplanetary Internet must be tough enough to withstand delays, disruptions and disconnections in space. Glitches can happen when a spacecraft moves behind a planet, or when solar storms and long communication delays occur.

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