as previously reported here, the voyager 1 probe is getting very close to leaving our solar system. a new article today talks about it and brings up a good point that it is hard to determine exactly where the effects of the sun end and the "extra-solar" area of space begins. scientists say it could be a few months to a few years for the voyager 1, traveling at ~11miles/second, to truly enter "extra-solar" space. but, the exciting part is that this is the first man made object to travel this far. amazing how far it has gotten since 1977!
read here:
http://www.telegraph.co.uk/science/space/8940350/Nasas-Voyager-1-in-cosmic-purgatory-on-verge-of-entering-Milky-Way.html