Remember the Voyager probes?
 

STILL going! GREAT read.

http://news.yahoo.com/s/space/200708...dA56uCWTwE1vAI

That is absolutely incredible. 14 hours for a radio command to get there. What's even more amazing is that it hasn't hit anything in all those years.

1 million miles a day :kewl:

Reminds me of the Star Trek episode and movie involving space probes sent into outer space, and return to earth aftr encountering another life form.
I wonder what NASA would do if either of these probes suddenly started a return trip?