If we were to detect radio transmissions from the nearest likely system, Alpha Centauri, how long would it take to send a satellite or probe from here to there at 50 km/s to investigate this signal?

0 votes
     about 100,000 years
      roughly 5000 years
      about 500 years
      nearly 300,000 years
      more than 25,000 years
asked Sep 20, 2012 in Astronomy by anonymous

1 Answer

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more than 25,000 years
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)

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