Grumpy Old Geeks Topics Oort Cloud Topic Oort Cloud 2 mentions in 1 episode The distant region the hosts say the Voyager spacecraft must leave to exit the solar system. Mentions 305: Stay Classy Dec 13, 2018 1:06:41 they will be until they exit the Oort Cloud 1:06:58 It is not known how wide the Oort Cloud really is