Share this postExactly 50 years ago today...dailyoverview.substack.comCopy linkFacebookEmailNoteOtherExactly 50 years ago today...OverviewDec 21, 2018Share this postExactly 50 years ago today...dailyoverview.substack.comCopy linkFacebookEmailNoteOtherShareSource imagery: NASA - National Aeronautics and Space AdministrationFollow Daily Overview here:Instagram | Facebook | Tumblr | Twitter