Voyager 1, the most distant spacecraft from Earth

  peter99co 15:04 14 Dec 2010
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10.8bn miles from home a radio message now has a travel time of about 16 hours to reach Earth.

  interzone55 15:07 14 Dec 2010

And the transmitter is many times less powerful than a basic mobile phone - consider that next time you can't get a signal...

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