39ly = 2.29E+14 miles. The fastest space craft we have is the pioneer which is going 82020 miles per hour. That works out to 2.79E+9 hours. Divide by 8760 hours in a year and you get 318,624 years for a one way trip.
We have faster ones...
62 posted on 02/22/2017 12:52:24 PM PST by Crusher138
("Then conquer we must, for our cause it is just")