The question isn't whether they'll cross, it's whether they're at the same point
at the same time on both days. As you well said, the chances of that happening at some exact point "and not a millimeter before or after, is infinitesimally small".
This message has been modified
Originally posted on Feb 15, 2019 at 1:14:49pm
Message modified by Dread Pirate Westley on Feb 15, 2019 at 1:15:38pm